{"id":2449,"date":"2021-10-14T16:04:56","date_gmt":"2021-10-14T16:04:56","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/?post_type=chapter&#038;p=2449"},"modified":"2022-04-22T00:12:42","modified_gmt":"2022-04-22T00:12:42","slug":"introduction-to-test-for-homogeneity","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/chapter\/introduction-to-test-for-homogeneity\/","title":{"raw":"Introduction to Test for Homogeneity","rendered":"Introduction to Test for Homogeneity"},"content":{"raw":"<h2>What you\u2019ll learn to do: Understand a chi-square test of homogeneity and interpret the conclusion in context<\/h2>\r\n<img class=\"size-medium wp-image-2450 alignright\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/14160405\/pexels-edwin-ariel-valladares-2132663-300x182.jpg\" alt=\"Two Babies Wearing Red Mickey Mouse Shirts\" width=\"300\" height=\"182\" \/>Are more babies being born during the week and fewer on the weekends now than in the 1980s? To answer this question, we would want to do a hypothesis test called a chi-square test of homogeneity. This type of test allows us to see if two separate populations follow the same categorical distribution. The procedure for doing this test is similar to the other chi-square tests we have studied.","rendered":"<h2>What you\u2019ll learn to do: Understand a chi-square test of homogeneity and interpret the conclusion in context<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2450 alignright\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/14160405\/pexels-edwin-ariel-valladares-2132663-300x182.jpg\" alt=\"Two Babies Wearing Red Mickey Mouse Shirts\" width=\"300\" height=\"182\" \/>Are more babies being born during the week and fewer on the weekends now than in the 1980s? To answer this question, we would want to do a hypothesis test called a chi-square test of homogeneity. This type of test allows us to see if two separate populations follow the same categorical distribution. The procedure for doing this test is similar to the other chi-square tests we have studied.<\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-2449\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li>Two Babies Wearing Red Mickey Mouse Shirts. <strong>Authored by<\/strong>: Edwin Ariel Valladares. <strong>Provided by<\/strong>: Pexels. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/www.pexels.com\/photo\/two-babies-wearing-red-mickey-mouse-shirts-2132663\/\">https:\/\/www.pexels.com\/photo\/two-babies-wearing-red-mickey-mouse-shirts-2132663\/<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/about\/cc0\">CC0: No Rights Reserved<\/a><\/em><\/li><li><strong>Provided by<\/strong>: Lumen Learning. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":169134,"menu_order":15,"template":"","meta":{"_candela_citation":"[{\"type\":\"original\",\"description\":\"Two Babies Wearing Red Mickey Mouse Shirts\",\"author\":\"Edwin Ariel Valladares\",\"organization\":\"Pexels\",\"url\":\"https:\/\/www.pexels.com\/photo\/two-babies-wearing-red-mickey-mouse-shirts-2132663\/\",\"project\":\"\",\"license\":\"cc0\",\"license_terms\":\"\"},{\"type\":\"original\",\"description\":\"\",\"author\":\"\",\"organization\":\"Lumen Learning\",\"url\":\"\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-2449","chapter","type-chapter","status-publish","hentry"],"part":293,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/users\/169134"}],"version-history":[{"count":2,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2449\/revisions"}],"predecessor-version":[{"id":3938,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2449\/revisions\/3938"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/parts\/293"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2449\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/media?parent=2449"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapter-type?post=2449"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/contributor?post=2449"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/license?post=2449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}