{"id":289046,"date":"2024-07-17T09:00:00","date_gmt":"2024-07-17T07:00:00","guid":{"rendered":"https:\/\/sherpas.com\/blog\/?p=289046"},"modified":"2024-07-05T10:40:39","modified_gmt":"2024-07-05T08:40:39","slug":"comment-calculer-mediane","status":"publish","type":"post","link":"https:\/\/sherpas.com\/blog\/comment-calculer-mediane\/","title":{"rendered":"Comment calculer une m\u00e9diane en maths ? \ud83e\uddee"},"content":{"rendered":"\n<p>Pour ceux qui auraient s\u00e9ch\u00e9 les cours de math\u00e9matiques cette ann\u00e9e, <strong>la m\u00e9diane c&rsquo;est le milieu de plusieurs donn\u00e9es<\/strong>, de sorte que 50 % des unit\u00e9s ont une valeur inf\u00e9rieure ou \u00e9gale \u00e0 la m\u00e9diane et 50 % des unit\u00e9s ont une valeur sup\u00e9rieure ou \u00e9gale. \ud83e\udde0<\/p>\n\n\n\n<p>En bref<strong>, la m\u00e9diane partage une s\u00e9rie ordonn\u00e9e en deux groupes de m\u00eame effectif, en deux parts \u00e9gales<\/strong>. Voyons en d\u00e9tail les bases de cette notion phare du programme de maths au coll\u00e8ge ! \ud83d\ude80<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ne-pas-confondre-la-mediane-avec\">Ne pas confondre la m\u00e9diane avec\u2026 \ud83d\ude35\u200d\ud83d\udcab<\/h2>\n\n\n\n<p>Elle est souvent, \u00e0 tort, confondue avec la moyenne, par exemple. On va te montrer comment ne plus faire ce genre d\u2019erreurs \u00e0 l\u2019avenir.&nbsp;<\/p>\n\n\n<section class=\"relance\">\n        <div >\n                            <a target=\"_blank\" href=\"https:\/\/sherpas.com\/cours\/toute-matiere\/france\/college \">\n                    <div class=\"relance__container\"\n                        >\n                        \n                                                        <picture>\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\" media=\"(min-width: 999px)\">\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\" media=\"(max-width: 999px)\">\n                                <img decoding=\"async\"\n                                    src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\"\n                                    alt=\"Personne qui donne des cours particuliers\"\n                                >\n                            <\/picture>\n                                                <div class=\"relance__content\">\n                            \n                                <div class=\"relance__title\"> <p>Tu gal\u00e8res en maths au coll\u00e8ge ? Ton premier cours particulier est gratuit !<\/p>\n<\/div>\n                                                        <button type=\"button\"\n                                    class=\"relance__button btn btn-white\">\n                                Trouve le prof de soutien scolaire id\u00e9al ! \n                            <\/button>\n                        <\/div>\n                    <\/div>\n                <\/a>\n                    <\/div>\n    <\/section>\n\n    \n\n\n<h3 class=\"wp-block-heading\" id=\"la-moyenne\">La moyenne \u2797<\/h3>\n\n\n\n<p>Quelle est la diff\u00e9rence entre la m\u00e9diane et la moyenne ? Cette derni\u00e8re est<strong> la somme des valeurs de la s\u00e9rie, divis\u00e9e par le nombre de valeurs de cette m\u00eame s\u00e9rie<\/strong>. \ud83d\udc40<\/p>\n\n\n\n<p>Imaginons que<strong> tu souhaites calculer la moyenne de tes notes au bac<\/strong>, avec l\u2019espoir d\u2019avoir minimum 10\/20 bien \u00e9videmment. Tu as, par exemple, obtenu :&nbsp;<\/p>\n\n\n\n<p>16\/20 en Maths (Bravo !) ;&nbsp;<\/p>\n\n\n\n<p>13\/20 en Fran\u00e7ais ;&nbsp;<\/p>\n\n\n\n<p>9\/20 en Histoire-G\u00e9ographie ;&nbsp;<\/p>\n\n\n\n<p>0,25\/20 (pas fou) en Physique-Chimie.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?func=bound&amp;w=1024&amp;h=675\" alt=\"L'attaque des titans\" class=\"wp-image-289077\" style=\"width:471px;height:auto\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1200 1200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=340 340w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1014 1014w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=504 504w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=250 250w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=392 392w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/07\/acte-de-presence.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Les \u00e9l\u00e8ves qui viennent au contr\u00f4le pour avoir 0,25&#8230;<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Si tous les coefficients sont \u00e9quivalents,<strong> ta moyenne est de (16 + 13 + 9 + 0,25) \/ 4 (le nombre de valeurs) =&nbsp; 38,25\/4 = 9,6<\/strong>. Dommage, t\u2019aurais presque pu \u00e9viter les rattrapages ! \ud83d\ude2d<\/p>\n\n\n\n<p>Tu remarques n\u00e9anmoins que tes r\u00e9sultats sont tr\u00e8s \u00e9tal\u00e9s, allant de 0,25 \u00e0 16, la moyenne est donc totalement biais\u00e9e par ta mauvaise note en Physique-Chimie. <strong>Calculer la m\u00e9diane serait donc peut-\u00eatre plus pertinent<\/strong>. La m\u00e9thode est donc la suivante :&nbsp;<\/p>\n\n\n\n<p>16&nbsp;<\/p>\n\n\n\n<p>13<\/p>\n\n\n\n<p>La m\u00e9diane, qui vient couper la s\u00e9rie en deux parts \u00e9gales<\/p>\n\n\n\n<p>9<\/p>\n\n\n\n<p>0,25<\/p>\n\n\n\n<p><strong>Mais comment la calculer ?<\/strong> On s&rsquo;aper\u00e7oit qu\u2019elle se situe entre 9 et 13. Alors, quel est le juste milieu entre ces deux valeurs ? 11 tout simplement. La m\u00e9diane est plus flatteuse que la moyenne et plus repr\u00e9sentative de ton panel de notes.<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\ud83e\uddd0 Impaire vs paire<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p>Si la s\u00e9rie comporte un nombre impair de donn\u00e9es, la m\u00e9diane est le chiffre du milieu. Si la s\u00e9rie comporte un nombre pair de donn\u00e9es, la m\u00e9diane est le chiffre situ\u00e9 entre les deux donn\u00e9es du milieu.<\/p>\n<p>&nbsp;<\/p>\n<p>Prenons l\u2019exemple d\u2019une s\u00e9rie statistique paire (\u00e9tant donn\u00e9 que c\u2019est la cas de figure le \u201cplus\u201d complexe) : 1; 3; 5; 7; 9; 12; 22; 39. La m\u00e9diane se trouve entre 7 et 9. Trois valeurs sont en dessous de 7 et trois autres au-dessus de 9. La m\u00e9diane est le juste milieu entre 7 et 9, donc 8.<\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"le-mode\">Le mode \ud83d\udc60<\/h3>\n\n\n\n<p>Le mode<em> <\/em>et non pas la mode, on se calme les <em>fashions,<\/em><strong><em> <\/em>c&rsquo;est la valeur la plus fr\u00e9quente dans une s\u00e9rie<\/strong>.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/twitter.com\/Loris_Giuliano\/status\/838816647523799040\n<\/div><\/figure>\n\n\n\n<p>Dans quel contexte le mode est utile ? <strong>Si tu veux, par exemple, acheter un pull et que tu compares les prix sur diff\u00e9rents sites<\/strong>, tu ne vas pas t\u2019amuser \u00e0 calculer la moyenne ou la m\u00e9diane pour savoir quel serait le bon montant \u00e0 mettre pour ton achat. \ud83e\udd11<\/p>\n\n\n\n<p>Mais tu vas plut\u00f4t regarder le prix le plus fr\u00e9quent, qui revient le plus souvent dans la plupart des magasins. Donc si tu as la s\u00e9rie suivante :&nbsp;<\/p>\n\n\n\n<p>69,90 \u20ac ;&nbsp;<\/p>\n\n\n\n<p>87,99 \u20ac ;&nbsp;<\/p>\n\n\n\n<p>69,90 \u20ac ;&nbsp;<\/p>\n\n\n\n<p>99,90 \u20ac.&nbsp;<\/p>\n\n\n\n<p><strong>Le mode est donc 69,90(\u20ac)<\/strong>. \ud83d\udc4d<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"CPM1 Economie\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n            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Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n          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xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Sophie2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Sophie<\/p>                          <p class=\"push__teachers-school\">Sciences Po Bordeaux<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                 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class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Olivier2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Olivier<\/p>                          <p class=\"push__teachers-school\">La Sorbonne<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">13\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Alma2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Alma<\/p>                          <p class=\"push__teachers-school\">ENS Paris-Saclay<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin d&rsquo;un <span style=\"color: #4cc583;\">prof particulier<\/span> d&rsquo;\u00e9conomie ? <span role=\"image\" aria-label=\"\u2728\">\u2728<\/span><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos Sherpas sont l\u00e0 pour t&rsquo;aider \u00e0 progresser et prendre confiance en toi.<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        PRENDRE UN COURS OFFERT\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"les-series-statistiques-ordonnees\">Les s\u00e9ries statistiques ordonn\u00e9es \ud83d\udd22<\/h2>\n\n\n\n<p>Concentrons-nous maintenant \u00e0 100% sur<strong> le calcul de la m\u00e9diane dans une s\u00e9rie statistique ordonn\u00e9e<\/strong>. C\u2019est-\u00e0-dire un ensemble de valeurs class\u00e9es par ordre croissant comme, par exemple, dans la suite suivante :&nbsp;<\/p>\n\n\n\n<p>1; 6; 8; 12; 15; 42.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mediane-dune-variable-discrete\">M\u00e9diane d\u2019une variable discr\u00e8te \ud83e\udee5<\/h3>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\ud83d\udc41\ufe0f\u200d\ud83d\udde8\ufe0f Les diff\u00e9rents types de variables<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p>Une valeur peut prendre plusieurs formes : un nombre, une couleur, une temp\u00e9rature, une masse\u2026 n\u2019importe quelle donn\u00e9e. La variable statistique indique le caract\u00e8re de ce qui est observ\u00e9, mesur\u00e9 sur chaque unit\u00e9 \/ valeur.<\/p>\n<p>&nbsp;<\/p>\n<p>Ce caract\u00e8re peut \u00eatre qualitatif, discret ou continu. Quelle est la diff\u00e9rence entre ces trois types de variables ?<\/p>\n<p>&nbsp;<\/p>\n<p>1\ufe0f\u20e3 <strong>Une variable qualitative ne se mesure pas par un chiffre (quantit\u00e9) mais par une qualit\u00e9<\/strong> comme son nom l\u2019indique. C\u2019est par exemple une couleur, un m\u00e9tier, un genre (masculin, f\u00e9minin)\u2026<\/p>\n<p>&nbsp;<\/p>\n<p>2\ufe0f\u20e3 <strong>Une variable discr\u00e8te se mesure uniquement par des nombres entiers<\/strong> (5; 1250; 12).<\/p>\n<p>&nbsp;<\/p>\n<p>3\ufe0f\u20e3 <strong>Une variable est continue si elle prend un nombre infini de valeurs r\u00e9elles possibles au sein d\u2019un intervalle donn\u00e9<\/strong> (la taille, le poids). Si on d\u00e9cide, par exemple, de calculer le poids de chaque \u00e9l\u00e8ve d\u2019une classe, on se rend compte que personne ne p\u00e8se exactement pareil. Le poids peut s\u2019exprimer avec \u00e9norm\u00e9ment de d\u00e9cimales (donc pas forc\u00e9ment avec des nombres entiers) : 55,60 kg; 28,3 kg, 87 kg, ou m\u00eame 43,158 kg.<\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<p><strong>Exemple (variable discr\u00e8te)<\/strong> : On a demand\u00e9 \u00e0 plusieurs \u00e9tudiants en m\u00e9decine de nous dire combien de temps ils passaient \u00e0 r\u00e9viser chaque jour. \ud83e\ude7a<\/p>\n\n\n\n<table id=\"tablepress-2511\" class=\"tablepress tablepress-id-2511\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Temps en minutes<\/th><th class=\"column-2\">30<\/th><th class=\"column-3\">60<\/th><th class=\"column-4\">120<\/th><th class=\"column-5\">180<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Effectif<\/td><td class=\"column-2\">5<\/td><td class=\"column-3\">9<\/td><td class=\"column-4\">8<\/td><td class=\"column-5\">3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-2511 from cache -->\n\n\n\n<p>Comment calculer la m\u00e9diane ?&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Calculer l\u2019effectif total<\/strong> : 5 + 9 + 8 + 3 = 25.&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49<strong> Chercher o\u00f9 se trouve la m\u00e9diane<\/strong>. Pour rappel, la m\u00e9diane est la valeur qui partage notre liste en deux groupes du m\u00eame effectif. Pour notre effectif (impair) de 25 valeurs, il faut donc que l\u2019on est 12 unit\u00e9s avant et 12 apr\u00e8s, avec la m\u00e9diane au milieu.&nbsp;<\/p>\n\n\n\n<p><strong>La m\u00e9diane correspond donc \u00e0 la treizi\u00e8me valeur de notre effectif<\/strong>. Mais o\u00f9 se trouve-t-elle ? Nos valeurs sont dans l\u2019ordre croissant (30 &lt; 60 &lt; 120 &lt; 180), regardons donc dans le premier paquet de valeurs (ceux qui ont r\u00e9pondu \u201c30 minutes\u201d). \ud83d\udcda<\/p>\n\n\n\n<p>On s\u2019aper\u00e7oit que l\u2019on arrive \u00e0 la cinqui\u00e8me valeur donc pas encore \u00e0 la treizi\u00e8me (m\u00e9diane). Puis, on va dans le paquet des \u201c60 minutes\u201d, avec 9 valeurs, et on se rend compte qu\u2019avec la premi\u00e8re et la deuxi\u00e8me colonne des 30 et des 60 minutes, cela nous fait 5 + 9 = 14 valeurs. \ud83d\udc41\ufe0f<\/p>\n\n\n\n<p>R\u00e9sultat ? La treizi\u00e8me valeur se situe dans le deuxi\u00e8me groupe (paquet) et est \u00e9gale \u00e0 60. <strong>Le temps m\u00e9dian est donc de 60 minutes<\/strong>. \ud83d\udd70\ufe0f<\/p>\n\n\n\n<p>Pour que cela soit plus visuel, oublions le tableau, d\u00e8s lors, notre s\u00e9rie statistique est la suivante : 30; 30; 30; 30; 30; 60; 60; 60; 60; 60; 60; 60; <strong>60<\/strong>; 60; 120; 120; 120; 120; 120; 120; 120; 120; 180; 180; 180.&nbsp;<\/p>\n\n\n\n<p><strong>La valeur en gras est bel et bien la m\u00e9diane, et partage la s\u00e9rie de variables discr\u00e8te en deux<\/strong> avec 12 unit\u00e9s avant et 12 apr\u00e8s. \ud83d\udd25<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mediane-dune-variable-continue\">M\u00e9diane d\u2019une variable continue \ud83d\ude2f<\/h3>\n\n\n\n<p>Dans une s\u00e9rie \u00e0 variable continue, il faut <strong>regrouper les valeurs par intervalles,<\/strong> car ces derni\u00e8res sont nombreuses et d\u00e9cimales.&nbsp;<\/p>\n\n\n\n<p><strong>Exemple <\/strong>: on demande la taille de chacun des \u00e9l\u00e8ves dans une classe et on obtient les r\u00e9ponses suivantes :&nbsp;<\/p>\n\n\n\n<table id=\"tablepress-2512\" class=\"tablepress tablepress-id-2512\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Taille (m)<\/th><th class=\"column-2\">1,59<\/th><th class=\"column-3\">1,64<\/th><th class=\"column-4\">1,66<\/th><th class=\"column-5\">1,68<\/th><th class=\"column-6\">1,73<\/th><th class=\"column-7\">1,74<\/th><th class=\"column-8\">1,77<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Effectif<\/td><td class=\"column-2\">1<\/td><td class=\"column-3\">2<\/td><td class=\"column-4\">4<\/td><td class=\"column-5\">4<\/td><td class=\"column-6\">5<\/td><td class=\"column-7\">3<\/td><td class=\"column-8\">1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-2512 from cache -->\n\n\n\n<p>Pour simplifier le calcul de la m\u00e9diane, on va effectuer un regroupement par intervalles, ce qui va donner :&nbsp;<\/p>\n\n\n\n<table id=\"tablepress-2513\" class=\"tablepress tablepress-id-2513\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Taille (m)<\/th><th class=\"column-2\">Moins de 1,65<\/th><th class=\"column-3\">Entre 1,65 et 1,70<\/th><th class=\"column-4\">Entre 1,70 et 1,75<\/th><th class=\"column-5\">Plus de 1,75<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Effectif<\/td><td class=\"column-2\">3<\/td><td class=\"column-3\">8<\/td><td class=\"column-4\">8<\/td><td class=\"column-5\">1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-2513 from cache -->\n\n\n\n<p><strong>L\u2019effectif total est de 3 + 8 + 8 + 1 = 20<\/strong>. La s\u00e9rie est paire, on cherche donc \u00e0 la partager avec 9 valeurs avant et 9 valeurs apr\u00e8s puis \u00e0 trouver le juste milieu de la dixi\u00e8me et de la onzi\u00e8me valeur. \ud83d\udcaa<\/p>\n\n\n\n<p>Si vous avez bien suivi, vous vous rendez compte que <strong>ces deux valeurs se trouvent dans le deuxi\u00e8me paquet, dans l\u2019intervalle [1,65; 1,70[<\/strong>. Pas besoin de trouver le juste milieu des deux valeurs, car elles se situent dans le m\u00eame intervalle. La taille m\u00e9diane est donc [1,65; 1,70[. \ud83d\udccf<\/p>\n\n\n\n<p><strong>Le regroupement par intervalle permet de donner une vision simplifi\u00e9e<\/strong> de la s\u00e9rie statistique et permet de proc\u00e9der au calcul de m\u00e9diane plus rapidement, surtout dans le cas o\u00f9 les valeurs d\u00e9cimales sont compliqu\u00e9es et tr\u00e8s nombreuses. \ud83d\udc4c<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"CPM1 Maths\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Louise2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Louise<\/p>                          <p class=\"push__teachers-school\">Mines ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Nicolas2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Nicolas<\/p>                          <p class=\"push__teachers-school\">CentraleSup\u00e9lec<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">17\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Fabien2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Fabien<\/p>                          <p class=\"push__teachers-school\">T\u00e9l\u00e9com Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">20\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Cle\u0301mence2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Cl\u00e9mence<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Bastien2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Bastien<\/p>                          <p class=\"push__teachers-school\">Polytechnique<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Pierre2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Pierre<\/p>                          <p class=\"push__teachers-school\">ESSEC<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jade2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jade<\/p>                          <p class=\"push__teachers-school\">Sciences Po Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin d&rsquo;un <span style=\"color: #4cc583;\">prof particulier<\/span> de maths ? <span role=\"image\" aria-label=\"\u2728\">\u2728<\/span><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos Sherpas sont l\u00e0 pour t&rsquo;aider \u00e0 progresser et prendre confiance en toi !<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        JE PRENDS UN COURS OFFERT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"recap\">R\u00e9cap \u2705<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<table id=\"tablepress-2514\" class=\"tablepress tablepress-id-2514\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Ne pas confondre avec\u2026<\/th><th class=\"column-2\">Comment calculer la m\u00e9diane (variable discr\u00e8te ?<\/th><th class=\"column-3\">S\u00e9rie \u00e0 variable continue<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">La moyenne : la somme des valeurs, divis\u00e9e par le nombre de valeurs de la s\u00e9rie<\/td><td class=\"column-2\">La m\u00e9diane est le milieu de plusieurs donn\u00e9es, de sorte que 50 % des unit\u00e9s ont une valeur inf\u00e9rieure ou \u00e9gale \u00e0 la m\u00e9diane et 50 % des unit\u00e9s ont une valeur sup\u00e9rieure ou \u00e9gale.<\/td><td class=\"column-3\">Regroupe les valeurs par intervalles<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Le mode : la valeur la plus r\u00e9currente dans une s\u00e9rie<\/td><td class=\"column-2\">Si la s\u00e9rie est impaire, la m\u00e9diane est le chiffre du milieu. Si la s\u00e9rie est paire, c\u2019est le chiffre situ\u00e9 entre les deux donn\u00e9es du milieu.<\/td><td class=\"column-3\">Calcule l\u2019effectif total<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">Dans un tableau : tu dois calculer l\u2019effectif total puis chercher la m\u00e9diane<\/td><td class=\"column-3\">Cherche la m\u00e9diane (la valeur qui s\u00e9pare en deux la s\u00e9rie ordonn\u00e9e en deux groupes de m\u00eames effectifs)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-2514 from cache -->\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Voil\u00e0, notre article est maintenant termin\u00e9<\/strong>. On esp\u00e8re que tu en as suffisamment appris pour d\u00e9crocher une meilleure note qu\u2019un 0,25\/20 \u00e0 ton prochain contr\u00f4le de maths. \ud83d\udcaf<br><br>Et si jamais tu as encore des difficult\u00e9s, n\u2019h\u00e9site pas \u00e0 prendre <a href=\"https:\/\/sherpas.com\/cours\/statistiques\">des cours de soutien scolaire en statistiques<\/a> avec l\u2019un de nos professeurs ! \ud83d\ude42<\/p>\n\n\n<section class=\"articles articles--vertical articles--3\">\n    <div  class=\"container\" >\n        <div class=\"articles__top\">\n            <p class=\"t-05\">Voici d\u2019autres articles qui pourraient t\u2019int\u00e9resser ! \ud83e\udeb6<\/p>\n                    <\/div>\n        <div class=\"row\">\n                                                <div class=\"col-12\n                                                    col-xl-4\n                                            \">\n                        <div\n\n   class=\"article-card-vertical  article-card-vertical--3   \">\n\n            <a href=\"https:\/\/sherpas.com\/blog\/maths-podcast\/\">\n            <picture>\n                <img decoding=\"async\" width=\"396\" height=\"264\" src=\"https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg\" class=\"article-card-vertical__image wp-post-image\" alt=\"maths podcastss\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=188 188w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=557 557w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=725 725w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=378 378w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1920 1920w\" sizes=\"(max-width: 396px) 100vw, 396px\" ci-src=\"https:\/\/sherpas.com\/content\/uploads\/2024\/03\/kate-oseen-XQKUIPjPl-s-unsplash-3-396x264.jpg?q=85\" \/>\n                \n                    \n            <\/picture>\n\n        <\/a>\n     \n  \n    <div class=\"article-card-vertical__content\">\n        <a class=\"article-card-vertical__link\" href=\"https:\/\/sherpas.com\/blog\/maths-podcast\/\">\n            <h3 class=\"article-card-vertical__title\" id=\"6-podcasts-pour-tameliorer-en-maths\">\n                6 podcasts pour t&rsquo;am\u00e9liorer en maths \ud83e\uddee&nbsp;\ud83c\udf99\ufe0f\n            <\/h3>\n                            <div class=\"article-card-vertical__text\">\n                    Tu gal\u00e8res un peu en math\u00e9matiques? \u00c7a te para\u00eet trop abstrait ? Alors peut-\u00eatre que ces podcasts vont (&#8230;)\n                <\/div>\n                    <\/a>   \n                    <div class=\"article-card-vertical__tags\">\n\n                <a href=\"https:\/\/sherpas.com\/blog\/tag\/podcasts\/\" class=\"article-card-vertical__tag badge\">Podcasts<\/a>            <\/div>\n            <\/div>\n<\/div>\n                    <\/div>\n                                    <div class=\"col-12\n                                                    col-xl-4\n                                            \">\n                        <div\n\n   class=\"article-card-vertical  article-card-vertical--3   \">\n\n            <a href=\"https:\/\/sherpas.com\/blog\/film-maths\/\">\n            <picture>\n                <img decoding=\"async\" width=\"396\" height=\"264\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg\" class=\"article-card-vertical__image wp-post-image\" alt=\"film maths\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=188 188w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=557 557w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1920 1920w\" sizes=\"(max-width: 396px) 100vw, 396px\" ci-src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/04\/film-maths-396x264.jpg?q=85\" \/>\n                \n                    \n            <\/picture>\n\n        <\/a>\n     \n  \n    <div class=\"article-card-vertical__content\">\n        <a class=\"article-card-vertical__link\" href=\"https:\/\/sherpas.com\/blog\/film-maths\/\">\n            <h3 class=\"article-card-vertical__title\" id=\"7-films-qui-vont-te-faire-aimer-les-maths\">\n                7 films qui vont te faire aimer les maths&nbsp;\ud83c\udf9e\ufe0f\n            <\/h3>\n                            <div class=\"article-card-vertical__text\">\n                    Ah les math\u00e9matiques\u2026 La b\u00eate noire de bon nombre d\u2019\u00e9tudiants ! Et pourtant, c&rsquo;est une mati\u00e8re passionnante qui (&#8230;)\n                <\/div>\n                    <\/a>   \n                    <div class=\"article-card-vertical__tags\">\n\n                <a href=\"https:\/\/sherpas.com\/blog\/tag\/films\/\" class=\"article-card-vertical__tag badge\">Films<\/a>            <\/div>\n            <\/div>\n<\/div>\n                    <\/div>\n                                    <div class=\"col-12\n                                                    col-xl-4\n                                            \">\n                        <div\n\n   class=\"article-card-vertical  article-card-vertical--3   \">\n\n            <a href=\"https:\/\/sherpas.com\/blog\/moyens-mnemotechniques-maths\/\">\n            <picture>\n                <img decoding=\"async\" width=\"310\" height=\"272\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg\" class=\"article-card-vertical__image wp-post-image\" alt=\"moyens mn\u00e9motechniques en maths\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=310 310w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=143 143w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=423 423w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1920 1920w\" sizes=\"(max-width: 310px) 100vw, 310px\" ci-src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/08\/moyens-mnemotechniques-en-maths-310x272.jpg?q=85\" \/>\n                \n                    \n            <\/picture>\n\n        <\/a>\n     \n  \n    <div class=\"article-card-vertical__content\">\n        <a class=\"article-card-vertical__link\" href=\"https:\/\/sherpas.com\/blog\/moyens-mnemotechniques-maths\/\">\n            <h3 class=\"article-card-vertical__title\" id=\"9-moyens-mnemotechniques-pour-reussir-en-maths\">\n                9 moyens mn\u00e9motechniques pour r\u00e9ussir en maths&nbsp;\ud83e\udde0\n            <\/h3>\n                            <div class=\"article-card-vertical__text\">\n                    Tu as du mal \u00e0 te souvenir de formules, de r\u00e8gles ou de nombre en math\u00e9matiques ? Tu (&#8230;)\n                <\/div>\n                    <\/a>   \n                    <div class=\"article-card-vertical__tags article-card-vertical__tags--hide\">\n                <div class=\"article-card-vertical__tag badge\"><\/div>\n            <\/div>\n            <\/div>\n<\/div>\n                    <\/div>\n                                    <\/div>\n    <\/div>\n<\/section>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;289046&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Tu as aim\u00e9 cet article ?&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Comment calculer une m\u00e9diane en maths ? \ud83e\uddee&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pour ceux qui auraient s\u00e9ch\u00e9 les cours de math\u00e9matiques cette ann\u00e9e, la m\u00e9diane c&rsquo;est le milieu de plusieurs (&#8230;)<\/p>\n","protected":false},"author":356,"featured_media":289117,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"category":[803,810],"tag":[77,770],"class_list":["post-289046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apprendre-matiere","category-maths","tag-college","tag-fiche-revision"],"acf":[],"_links":{"self":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/289046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/users\/356"}],"replies":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/comments?post=289046"}],"version-history":[{"count":0,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/289046\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media\/289117"}],"wp:attachment":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media?parent=289046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/category?post=289046"},{"taxonomy":"tag","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/tag?post=289046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}