{"id":4573,"date":"2026-08-11T11:47:36","date_gmt":"2026-08-11T09:47:36","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4573"},"modified":"2026-08-11T11:47:36","modified_gmt":"2026-08-11T09:47:36","slug":"table-of-contents-4","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/en\/guide-dutilisateur\/sommaire-4\/","title":{"rendered":"Table of Contents"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Descriptive statistics describe&nbsp;<strong>the sample you have<\/strong>, it describes the behavior of a variable. Inferential statistics draw conclusions about the non-random relationship between two or more variables. Randomness creeps in between two samples: two samples taken from the same process never yield the same mean, and a discrepancy may simply be a sampling fluctuation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A statistical test answers a single question:&nbsp;<strong>Is the observed difference too large to be attributed to chance?<\/strong>&nbsp;That's what distinguishes \u00abthe two machines seem different\u00bb from \u00abthe two machines are different.\u00bb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Click on the \u00abData Analysis\u00bb menu, then click on \u00abInferential Statistics.\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"478\" height=\"376\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png\" alt=\"\" class=\"wp-image-4574\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png 478w, https:\/\/ellistat.com\/wp-content\/uploads\/sommaire-300x236.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/sommaire-15x12.png 15w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/figure>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[23],"class_list":["post-4573","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-5-statistiques-inferentielles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sommaire - Ellistat<\/title>\n<meta name=\"description\" content=\"Descriptive ou inf\u00e9rentielle ? D\u00e9couvrez comment les tests statistiques permettent de conclure sur une diff\u00e9rence r\u00e9elle, pas le hasard.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/en\/users-guide\/table-of-contents-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sommaire - Ellistat\" \/>\n<meta property=\"og:description\" content=\"Descriptive ou inf\u00e9rentielle ? D\u00e9couvrez comment les tests statistiques permettent de conclure sur une diff\u00e9rence r\u00e9elle, pas le hasard.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ellistat.com\/en\/users-guide\/table-of-contents-4\/\" \/>\n<meta property=\"og:site_name\" content=\"Ellistat\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png\" \/>\n\t<meta property=\"og:image:width\" content=\"478\" \/>\n\t<meta property=\"og:image:height\" content=\"376\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/\",\"url\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/\",\"name\":\"Sommaire - Ellistat\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/sommaire.png\",\"datePublished\":\"2026-08-11T09:47:36+00:00\",\"description\":\"Descriptive ou inf\u00e9rentielle ? D\u00e9couvrez comment les tests statistiques permettent de conclure sur une diff\u00e9rence r\u00e9elle, pas le hasard.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/sommaire.png\",\"contentUrl\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/sommaire.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/sommaire-4\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/ellistat.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sommaire\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\",\"url\":\"https:\\\/\\\/ellistat.com\\\/\",\"name\":\"Ellistat\",\"description\":\"La suite qualit\u00e9 de l&#039;industrie m\u00e9canique\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ellistat.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Table of Contents - Ellistat","description":"Descriptive or inferential? Find out how statistical tests allow us to draw conclusions about a real difference\u2014not just chance.","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:\/\/ellistat.com\/en\/users-guide\/table-of-contents-4\/","og_locale":"en_US","og_type":"article","og_title":"Sommaire - Ellistat","og_description":"Descriptive ou inf\u00e9rentielle ? D\u00e9couvrez comment les tests statistiques permettent de conclure sur une diff\u00e9rence r\u00e9elle, pas le hasard.","og_url":"https:\/\/ellistat.com\/en\/users-guide\/table-of-contents-4\/","og_site_name":"Ellistat","og_image":[{"width":478,"height":376,"url":"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/","url":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/","name":"Table of Contents - Ellistat","isPartOf":{"@id":"https:\/\/ellistat.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/#primaryimage"},"image":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/#primaryimage"},"thumbnailUrl":"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png","datePublished":"2026-08-11T09:47:36+00:00","description":"Descriptive or inferential? Find out how statistical tests allow us to draw conclusions about a real difference\u2014not just chance.","breadcrumb":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/#primaryimage","url":"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png","contentUrl":"https:\/\/ellistat.com\/wp-content\/uploads\/sommaire.png"},{"@type":"BreadcrumbList","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/sommaire-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/ellistat.com\/"},{"@type":"ListItem","position":2,"name":"Sommaire"}]},{"@type":"WebSite","@id":"https:\/\/ellistat.com\/#website","url":"https:\/\/ellistat.com\/","name":"Ellistat","description":"The quality suite for the mechanical engineering industry","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ellistat.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/ellistat.com\/en\/wp-json\/wp\/v2\/guide-dutilisateur\/4573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellistat.com\/en\/wp-json\/wp\/v2\/guide-dutilisateur"}],"about":[{"href":"https:\/\/ellistat.com\/en\/wp-json\/wp\/v2\/types\/guide-dutilisateur"}],"wp:attachment":[{"href":"https:\/\/ellistat.com\/en\/wp-json\/wp\/v2\/media?parent=4573"}],"wp:term":[{"taxonomy":"menu-guide-dutilisateur","embeddable":true,"href":"https:\/\/ellistat.com\/en\/wp-json\/wp\/v2\/menu-guide-dutilisateur?post=4573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}