{"id":2431,"date":"2021-10-14T13:21:41","date_gmt":"2021-10-14T13:21:41","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/?post_type=chapter&#038;p=2431"},"modified":"2022-04-21T23:43:17","modified_gmt":"2022-04-21T23:43:17","slug":"introduction-to-facts-about-the-chi-square-distribution","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/chapter\/introduction-to-facts-about-the-chi-square-distribution\/","title":{"raw":"Introduction to Facts About the Chi-Square Distribution","rendered":"Introduction to Facts About the Chi-Square Distribution"},"content":{"raw":"<h2>What you\u2019ll learn to do: Understand the characteristics of a chi-square distribution<\/h2>\r\n<img class=\"alignright wp-image-2432 size-medium\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/14132004\/pexels-thierry-fillieul-1046492-300x200.jpg\" alt=\"A close up view of a fly\" width=\"300\" height=\"200\" \/>In the study of genetics, certain traits occur with specific ratios. For example, flies might have long wings or short wings and the ratio of the long to short is 1:3. To see if this 1:3 ratio is also true of fruit flies, a hypothesis test with the chi-square distribution can be used. In this section, you will learn about the general characteristics of the chi-square distribution and in the subsequent sections, you will learn about applications of the chi-square distribution.","rendered":"<h2>What you\u2019ll learn to do: Understand the characteristics of a chi-square distribution<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2432 size-medium\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/14132004\/pexels-thierry-fillieul-1046492-300x200.jpg\" alt=\"A close up view of a fly\" width=\"300\" height=\"200\" \/>In the study of genetics, certain traits occur with specific ratios. For example, flies might have long wings or short wings and the ratio of the long to short is 1:3. To see if this 1:3 ratio is also true of fruit flies, a hypothesis test with the chi-square distribution can be used. In this section, you will learn about the general characteristics of the chi-square distribution and in the subsequent sections, you will learn about applications of the chi-square distribution.<\/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-2431\">\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>Macro Photo of Black Fly. <strong>Authored by<\/strong>: Thierry Fillieul. <strong>Provided by<\/strong>: Pexels. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/www.pexels.com\/photo\/macro-photo-of-black-fly-1046492\/\">https:\/\/www.pexels.com\/photo\/macro-photo-of-black-fly-1046492\/<\/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":6,"template":"","meta":{"_candela_citation":"[{\"type\":\"original\",\"description\":\"Macro Photo of Black Fly\",\"author\":\"Thierry Fillieul\",\"organization\":\"Pexels\",\"url\":\"https:\/\/www.pexels.com\/photo\/macro-photo-of-black-fly-1046492\/\",\"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-2431","chapter","type-chapter","status-publish","hentry"],"part":293,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2431","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":3,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2431\/revisions"}],"predecessor-version":[{"id":3926,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2431\/revisions\/3926"}],"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\/2431\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/media?parent=2431"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapter-type?post=2431"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/contributor?post=2431"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/license?post=2431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}