{"id":258945,"date":"2025-01-07T06:30:00","date_gmt":"2025-01-07T06:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=258945"},"modified":"2025-01-13T13:47:43","modified_gmt":"2025-01-13T13:47:43","slug":"calcul-moyenne-ponderee-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir","title":{"rendered":"Moyenne pond\u00e9r\u00e9e : Qu&rsquo;est-ce que c&rsquo;est ? Comment la calculer ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"258945\" class=\"elementor elementor-258945\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d0c912 e-flex e-con-boxed e-con\" data-id=\"1d0c912\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b426393 elementor-widget elementor-widget-text-editor\" data-id=\"b426393\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><b>Le <a href=\"https:\/\/datascientest.com\/calculer-une-moyenne-avec-excel-tout-savoir\">calcul d\u2019une simple moyenne<\/a>, si celle-ci est employ\u00e9e \u00e0 des fins d\u2019analyse, peut se r\u00e9v\u00e9ler trompeur. En appliquant une pond\u00e9ration \u00e0 certains des nombres d\u2019une liste, il est possible d\u2019obtenir une perception bien plus juste.<\/b><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8520549 elementor-widget elementor-widget-text-editor\" data-id=\"8520549\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Toutes les informations n\u2019ont pas la m\u00eame importance, et une analyse avis\u00e9e d\u2019un secteur quelconque se doit de prendre en compte ce facteur. Si on se contente de formules simples telle que la moyenne d\u2019une suite de nombres, on va souvent prendre des d\u00e9cisions inad\u00e9quates.<\/span><\/p><p><span style=\"font-weight: 400;\">Prenons un exemple simple pour illustrer ce propos. Un professeur d\u00e9cr\u00e8te en fin d\u2019ann\u00e9e si des \u00e9l\u00e8ves sont aptes \u00e0 passer dans la classe sup\u00e9rieure, sur cette base : la moyenne de leurs notes doit \u00eatre sup\u00e9rieure \u00e0 10. Voici un tableau simplifi\u00e9 avec les notes de plusieurs \u00e9l\u00e8ves.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8139595 elementor-widget elementor-widget-html\" data-id=\"8139595\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Rubik, sans-serif;font-size:18px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Rubik, sans-serif;font-size:18px;\r\n  font-weight:normal;overflow:hidden;padding:18px 5px;word-break:normal;}\r\n.tg .tg-9y4c{background-color:#efefef;font-size:18px;font-weight:bold;text-align:center;vertical-align:middle}\r\n.tg .tg-u1w2{background-color:#c0c0c0;font-size:18px;font-weight:bold;text-align:left;vertical-align:middle}\r\n.tg .tg-hb7x{background-color:#efefef;font-size:18px;text-align:center;vertical-align:middle}\r\n.tg .tg-wysk{background-color:#ffffff;font-size:18px;text-align:left;vertical-align:middle}\r\n.tg .tg-8iu8{background-color:#c0c0c0;font-size:18px;font-weight:bold;text-align:center;vertical-align:middle}\r\n.tg .tg-0p7h{background-color:#c0c0c0;font-size:18px;text-align:left;vertical-align:middle}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 417px\"><colgroup>\r\n<col style=\"width: 200px\">\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 100px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-wysk\"><\/th>\r\n    <th class=\"tg-8iu8\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">Joey<\/span><\/th>\r\n    <th class=\"tg-8iu8\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">Monica<\/span><\/th>\r\n    <th class=\"tg-8iu8\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">Rachel<\/span><\/th>\r\n  <\/tr><\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-0p7h\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">contr\u00f4le 1<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">12<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">7<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">11<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-0p7h\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">examen trimestre<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">9<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">12<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">12<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-0p7h\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">contr\u00f4le 2<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">14<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">6<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">10<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-0p7h\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">examen de fin d'ann\u00e9e<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">8<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">14<\/span><\/td>\r\n    <td class=\"tg-hb7x\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">11<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-u1w2\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">Moyenne<\/span><\/td>\r\n    <td class=\"tg-9y4c\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">10,75<\/span><\/td>\r\n    <td class=\"tg-9y4c\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">9,75<\/span><\/td>\r\n    <td class=\"tg-9y4c\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000\">11<\/span><\/td>\r\n  <\/tr>\r\n<\/tbody><\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5159d98 elementor-widget elementor-widget-text-editor\" data-id=\"5159d98\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Nous avons ici trois \u00e9l\u00e8ves : Joey, Monica et Rachel. Chacun a fait l\u2019objet de 4 \u00e9preuves de test des connaissances : contr\u00f4le 1, examen trimestre, contr\u00f4le 2, etc.<\/span><\/p><p><span style=\"font-weight: 400;\">Si nous appliquons une moyenne \u00e0 ces notes, il appara\u00eet que deux \u00e9l\u00e8ves ont une note suffisante pour passer en classe sup\u00e9rieure : Joey et Rachel. Monica, pour sa part, est recal\u00e9e.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cce55b5 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"cce55b5\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Apprendre \u00e0 calculer une moyenne pond\u00e9r\u00e9e<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-64b46d2 e-flex e-con-boxed e-con\" data-id=\"64b46d2\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-577abd3 elementor-widget elementor-widget-heading\" data-id=\"577abd3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">Le principe de la moyenne pond\u00e9r\u00e9e<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fca693 elementor-widget elementor-widget-text-editor\" data-id=\"2fca693\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Dans le calcul de la moyenne pond\u00e9r\u00e9e, nous prenons en compte un facteur : chaque \u00e9preuve n\u2019a pas la m\u00eame importance. Ainsi, l\u2019examen de trimestre a 2 fois plus d\u2019importance que les contr\u00f4les. Et l\u2019examen de fin d\u2019ann\u00e9e en a 4 fois plus qu\u2019un simple contr\u00f4le car il couvre toutes les notions abord\u00e9es dans l\u2019ann\u00e9e.<\/span><\/p><p><span style=\"font-weight: 400;\">La moyenne pond\u00e9r\u00e9e prend en compte ce facteur en appliquant une pond\u00e9ration (un poids) \u00e0 chacune des \u00e9preuves. Ainsi, les contr\u00f4les ont un coefficient 1, l\u2019examen de trimestre un coefficient 2, celui de fin d\u2019ann\u00e9e un coefficient 4.<\/span><\/p><p><span style=\"font-weight: 400;\">\u00c0 partir de l\u00e0, la moyenne pond\u00e9r\u00e9e est calcul\u00e9e ainsi :<\/span><\/p><pre style=\"padding-left: 40px;\"><strong>(note x coefficient) + (note x\u00a0 coefficient) + (\u2026)\u00a0 \/ somme des coefficients<\/strong><\/pre>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-484dc22 elementor-widget elementor-widget-html\" data-id=\"484dc22\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Rubik, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Rubik, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-bh3s{background-color:#c0c0c0;border-color:inherit;font-size:18px;text-align:left;vertical-align:middle}\r\n.tg .tg-ax4h{border-color:inherit;font-family:Arial, Helvetica, sans-serif !important;font-size:18px;font-weight:bold;\r\n  text-align:left;vertical-align:middle}\r\n.tg .tg-8l1m{background-color:#efefef;border-color:inherit;font-size:18px;text-align:center;vertical-align:middle}\r\n.tg .tg-aa1j{background-color:#c0c0c0;border-color:inherit;font-size:18px;font-weight:bold;text-align:center;vertical-align:middle}\r\n.tg .tg-u96p{background-color:#ffffff;border-color:inherit;font-size:18px;text-align:left;vertical-align:middle}\r\n.tg .tg-ylbt{background-color:#c0c0c0;border-color:inherit;font-family:Rubik, Helvetica, sans-serif !important;font-size:18px;\r\n  font-weight:bold;text-align:center;vertical-align:middle}\r\n.tg .tg-88qu{background-color:#efefef;border-color:inherit;font-family:Rubik, Helvetica, sans-serif !important;font-size:18px;\r\n  text-align:center;vertical-align:middle}\r\n.tg .tg-zpf4{border-color:inherit;font-family:Rubik, Helvetica, sans-serif !important;font-size:18px;text-align:center;\r\n  vertical-align:middle}\r\n.tg .tg-2hyw{background-color:#c0c0c0;border-color:inherit;font-family:Rubik, Helvetica, sans-serif !important;font-size:18px;\r\n  text-align:left;vertical-align:middle}\r\n.tg .tg-r5qm{border-color:inherit;font-size:18px;text-align:left;vertical-align:middle}\r\n.tg .tg-i801{border-color:inherit;font-family:Rubik, Helvetica, sans-serif !important;font-size:18px;font-weight:bold;\r\n  text-align:center;vertical-align:middle}\r\n.tg .tg-nnwx{border-color:inherit;font-size:18px;font-weight:bold;text-align:center;vertical-align:middle}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 529px\"><colgroup>\r\n<col style=\"width: 200px\">\r\n<col style=\"width: 125px\">\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 100px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-u96p\"><\/th>\r\n    <th class=\"tg-aa1j\"><span style=\"font-style:normal;text-decoration:none;color:#000;background-color:transparent\">coefficient<\/span><\/th>\r\n    <th class=\"tg-ylbt\"><span style=\"font-style:normal;text-decoration:none;color:#000;background-color:transparent\">Joey<\/span><\/th>\r\n    <th class=\"tg-aa1j\"><span style=\"font-style:normal;text-decoration:none;color:#000;background-color:transparent\">Monica<\/span><\/th>\r\n    <th class=\"tg-ylbt\"><span style=\"font-style:normal;text-decoration:none;color:#000\">Rachel<\/span><\/th>\r\n  <\/tr><\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-bh3s\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">contr\u00f4le 1<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">1<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">12<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">7<\/span><\/td>\r\n    <td class=\"tg-zpf4\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">11<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-bh3s\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">examen trimestre<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">2<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">18<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">24<\/span><\/td>\r\n    <td class=\"tg-zpf4\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">24<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-bh3s\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">contr\u00f4le 2<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">1<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">14<\/span><\/td>\r\n    <td class=\"tg-8l1m\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">6<\/span><\/td>\r\n    <td class=\"tg-zpf4\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">10<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-2hyw\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">examen de fin d'ann\u00e9e<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">4<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">32<\/span><\/td>\r\n    <td class=\"tg-88qu\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">56<\/span><\/td>\r\n    <td class=\"tg-zpf4\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">44<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-ax4h\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">Moyenne pond\u00e9r\u00e9e<\/span><\/td>\r\n    <td class=\"tg-r5qm\"><\/td>\r\n    <td class=\"tg-i801\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">9,5<\/span><\/td>\r\n    <td class=\"tg-nnwx\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">11,63<\/span><\/td>\r\n    <td class=\"tg-i801\"><span style=\"font-weight:700;font-style:normal;text-decoration:none;color:#000;background-color:transparent\">11,13<\/span><\/td>\r\n  <\/tr>\r\n<\/tbody><\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c045b92 elementor-widget elementor-widget-text-editor\" data-id=\"c045b92\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u00c0 titre d\u2019exemple, la moyenne pond\u00e9r\u00e9e de Joey est calcul\u00e9e ainsi : (12 x 1) + (9 x 2) + (14 x 1) + (8 x 4) \/ 8. Et que voyons-nous en appliquant ce calcul ? Une toute autre situation. A pr\u00e9sent, Monica appara\u00eet comme la meilleure \u00e9l\u00e8ve et passe haut la main. Alors que Joey, pour sa part, est recal\u00e9 !<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-10ab096 e-flex e-con-boxed e-con\" data-id=\"10ab096\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e9052f8 elementor-widget elementor-widget-heading\" data-id=\"e9052f8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Avantages de la moyenne pond\u00e9r\u00e9e<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7992874 elementor-widget elementor-widget-text-editor\" data-id=\"7992874\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comme vous pouvez le voir dans l\u2019exemple ci-dessus, la moyenne pond\u00e9r\u00e9e r\u00e9v\u00e8le une situation bien plus juste du niveau de chaque \u00e9l\u00e8ve. Nous avons donc l\u00e0 <strong>un outil ouvrant la voie \u00e0 des d\u00e9cisions avis\u00e9es<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">Prenons \u00e0 pr\u00e9sent le cas d\u2019une boutique en ligne qui recueille des avis de ses clients. Elle a mis en place un syst\u00e8me d\u2019alerte : si la moyenne des notes sur une semaine est inf\u00e9rieure \u00e0 3 sur 5, des mesures correctives doivent imm\u00e9diatement \u00eatre prises. Oui mais&#8230;\u00a0 Imaginons que dans le lot, la boutique ait 5 clients particuliers qui \u00e0 eux seuls repr\u00e9sentent 60 % du chiffre d\u2019affaires. Dans la mesure o\u00f9 leur opinion est cruciale, il sera bon d\u2019attribuer \u00e0 leurs notes un poids beaucoup plus important que ceux d\u2019acheteurs occasionnels. Ainsi, la moyenne pond\u00e9r\u00e9e pourra <strong>faire ressortir un ph\u00e9nom\u00e8ne qui pourrait normalement passer inaper\u00e7u<\/strong>.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc2a2ef elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"bc2a2ef\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ma\u00eetriser les principes de la moyenne pond\u00e9r\u00e9e<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-317b3cf e-flex e-con-boxed e-con\" data-id=\"317b3cf\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe59985 elementor-widget elementor-widget-heading\" data-id=\"fe59985\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pond\u00e9ration d\u2019un portefeuille d\u2019actions<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7b04b8 elementor-widget elementor-widget-image\" data-id=\"b7b04b8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest-1.webp\" class=\"attachment-full size-full wp-image-258975\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest-1.webp 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest-1-300x171.webp 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest-1-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6de3986 elementor-widget elementor-widget-text-editor\" data-id=\"6de3986\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ce principe de la moyenne pond\u00e9r\u00e9e est si important qu\u2019il intervient dans le calcul des plus-values qu\u2019un investisseur doit d\u00e9clarer au fisc \u00e0 la suite de la vente d\u2019actions. L\u00e0 encore, un exemple va illustrer le pourquoi de la chose.<\/span><\/p><p><span style=\"font-weight: 400;\">Supposons qu\u2019un investisseur acquiert :<\/span><\/p><ul><li><span style=\"font-weight: 400;\">100 actions \u00e0 20 \u20ac d\u2019une startup la premi\u00e8re ann\u00e9e<\/span><\/li><li><span style=\"font-weight: 400;\">200 actions \u00e0 50 \u20ac de la m\u00eame startup l\u2019ann\u00e9e suivante.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfb6fb0 elementor-widget elementor-widget-text-editor\" data-id=\"cfb6fb0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Si l\u2019investisseur se contente d\u2019op\u00e9rer avec une moyenne \u00ab classique \u00bb en tenant compte de ce qu\u2019il a d\u00e9pens\u00e9, il obtient une moyenne de 35 \u20ac. Or ce chiffre est trompeur, car il donne une m\u00eame importance aux montants pay\u00e9s (20 et 50 \u20ac). S\u2019il revendait ses actions au montant de 38 \u20ac, l\u2019investisseur pourrait avoir l\u2019impression d\u2019avoir r\u00e9alis\u00e9 une plus value. En r\u00e9alit\u00e9, ce n\u2019est pas le cas.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour obtenir la moyenne pond\u00e9r\u00e9e, nous multiplions les 100 actions par 20 $ pour la premi\u00e8re ann\u00e9e et les 200 actions par 50 $ pour la deuxi\u00e8me ann\u00e9e, soit 2 000 + 10 000 et donc 12 000 euros au total. Ce montant global est ensuite divis\u00e9 par le nombre d\u2019actions acquises durant cette p\u00e9riode (300). Nous obtenons alors une moyenne pond\u00e9r\u00e9e de 40 \u20ac. Il en ressort qu\u2019une revente \u00e0 38 \u20ac correspondrait \u00e0 une moins-value.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dafefb3 e-flex e-con-boxed e-con\" data-id=\"dafefb3\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef80ce3 elementor-widget elementor-widget-heading\" data-id=\"ef80ce3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Une aide \u00e0 la prise de d\u00e9cisions<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eed4d52 elementor-widget elementor-widget-text-editor\" data-id=\"eed4d52\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">La\u00a0 moyenne pond\u00e9r\u00e9e aide \u00e0 r\u00e9ellement d\u00e9cider s&rsquo;il est judicieux d\u2019intervenir sur une situation donn\u00e9e. C\u2019est donc <strong>un outil d\u2019analyse<\/strong> \u00e0 ne surtout pas n\u00e9gliger.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a03ef3 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"1a03ef3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Se former avec DataScientest<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-41e6edd e-flex e-con-boxed e-con\" data-id=\"41e6edd\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9663f6f elementor-widget elementor-widget-html\" data-id=\"9663f6f\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Qu'est-ce qu'une moyenne pond\u00e9r\u00e9e ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"La moyenne pond\u00e9r\u00e9e est une mesure statistique qui prend en compte l'importance relative de chaque valeur. Chaque valeur est multipli\u00e9e par un poids sp\u00e9cifique, et la somme des produits est divis\u00e9e par la somme des poids.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Comment calculer une moyenne pond\u00e9r\u00e9e ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Pour calculer une moyenne pond\u00e9r\u00e9e, multipliez chaque valeur par son poids, puis additionnez les r\u00e9sultats. Ensuite, divisez cette somme par la somme des poids. La formule est : Moyenne pond\u00e9r\u00e9e = (\u03a3 (valeur \u00d7 poids)) \/ \u03a3 poids.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Dans quels domaines utilise-t-on la moyenne pond\u00e9r\u00e9e ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"La moyenne pond\u00e9r\u00e9e est utilis\u00e9e dans de nombreux domaines, comme les statistiques, la finance (calcul de rendements), l'\u00e9ducation (calcul de notes), et dans tout contexte o\u00f9 certaines valeurs ont une importance plus grande que d'autres.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quelle est la diff\u00e9rence entre une moyenne simple et une moyenne pond\u00e9r\u00e9e ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Une moyenne simple attribue le m\u00eame poids \u00e0 toutes les valeurs, alors qu'une moyenne pond\u00e9r\u00e9e donne des poids diff\u00e9rents \u00e0 chaque valeur en fonction de leur importance relative.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le calcul d\u2019une simple moyenne, si celle-ci est employ\u00e9e \u00e0 des fins d\u2019analyse, peut se r\u00e9v\u00e9ler trompeur. En appliquant une pond\u00e9ration \u00e0 certains des nombres d\u2019une liste, il est possible d\u2019obtenir une perception bien plus juste. Toutes les informations n\u2019ont pas la m\u00eame importance, et une analyse avis\u00e9e d\u2019un secteur quelconque se doit de prendre [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":258947,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Moyenne pond\u00e9r\u00e9e : Qu&#039;est-ce que c&#039;est ? 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Comment la calculer ?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-07T06:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T13:47:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"J\u00e9r\u00e9my Robert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"J\u00e9r\u00e9my Robert\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir\",\"url\":\"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir\",\"name\":\"Moyenne pond\u00e9r\u00e9e : Qu'est-ce que c'est ? 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Comment la calculer ?","description":"D\u00e9couvrez comment calculer la moyenne pond\u00e9r\u00e9e facilement et rapidement gr\u00e2ce \u00e0 notre guide pratique.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir","og_locale":"fr_FR","og_type":"article","og_title":"Moyenne pond\u00e9r\u00e9e : Qu'est-ce que c'est ? Comment la calculer ?","og_url":"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir","og_site_name":"Formation Data Science | DataScientest.com","article_published_time":"2025-01-07T06:30:00+00:00","article_modified_time":"2025-01-13T13:47:43+00:00","og_image":[{"width":1200,"height":600,"url":"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/12\/calcul-moyenne-ponderee-datascientest.webp","type":"image\/webp"}],"author":"J\u00e9r\u00e9my Robert","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"J\u00e9r\u00e9my Robert","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir","url":"https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir","name":"Moyenne pond\u00e9r\u00e9e : Qu'est-ce que c'est ? Comment la calculer ?","isPartOf":{"@id":"https:\/\/datascientest.com\/#website"},"datePublished":"2025-01-07T06:30:00+00:00","dateModified":"2025-01-13T13:47:43+00:00","author":{"@id":"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925"},"description":"D\u00e9couvrez comment calculer la moyenne pond\u00e9r\u00e9e facilement et rapidement gr\u00e2ce \u00e0 notre guide pratique.","inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/datascientest.com\/calcul-moyenne-ponderee-tout-savoir"]}]},{"@type":"WebSite","@id":"https:\/\/datascientest.com\/#website","url":"https:\/\/datascientest.com\/","name":"Formation Data Science | DataScientest.com","description":"Leader de la formation en Data Science","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/datascientest.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925","name":"J\u00e9r\u00e9my Robert","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/datascientest.com\/#\/schema\/person\/image\/","url":"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/jeremyrobert.jpeg","contentUrl":"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/jeremyrobert.jpeg","caption":"J\u00e9r\u00e9my Robert"},"description":"J\u00e9r\u00e9my Robert est actuellement Directeur p\u00e9dagogique B2B chez DataScientest.com. 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Il est dipl\u00f4m\u00e9 de l'Universit\u00e9 Paris Cit\u00e9 avec un Master MIAGE, combinant comp\u00e9tences en informatique et gestion.","sameAs":["https:\/\/www.linkedin.com\/in\/jeremyrobert1\/","Data Science"],"url":"https:\/\/datascientest.com\/author\/jeremyrobert"}]}},"_links":{"self":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/258945"}],"collection":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/users\/78"}],"replies":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/comments?post=258945"}],"version-history":[{"count":0,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/258945\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media\/258947"}],"wp:attachment":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media?parent=258945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/categories?post=258945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/tags?post=258945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}