{"id":1354,"date":"2023-06-22T02:20:22","date_gmt":"2023-06-22T02:20:22","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/introduction-to-one-way-anova-apply-it-1\/"},"modified":"2025-05-16T22:49:59","modified_gmt":"2025-05-16T22:49:59","slug":"introduction-to-one-way-anova-apply-it-1","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/introduction-to-one-way-anova-apply-it-1\/","title":{"raw":"Introduction to One-Way ANOVA \u2013 Apply It 1","rendered":"Introduction to One-Way ANOVA \u2013 Apply It 1"},"content":{"raw":"<section class=\"textbox learningGoals\">\r\n<ul>\r\n\t<li><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Write a null and alternative hypothesis for a one-way ANOVA hypothesis test&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:12801,&quot;3&quot;:{&quot;1&quot;:0},&quot;12&quot;:0,&quot;15&quot;:&quot;arial&quot;,&quot;16&quot;:10}\">Write a null and alternative hypothesis for a one-way ANOVA hypothesis test<\/span><\/li>\r\n\t<li><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Discuss the error sum of squares and group sum of squares&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:14720,&quot;10&quot;:2,&quot;11&quot;:4,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Calibri&quot;,&quot;16&quot;:9}\">Discuss the error sum of squares and group sum of squares<\/span><\/li>\r\n<\/ul>\r\n<\/section>\r\n<h2>Weight Loss<\/h2>\r\n<p>[footnote]https:\/\/www.cdc.gov\/healthyweight\/losing_weight\/index.html[\/footnote]Achieving healthy weight loss isn\u2019t about a \u201cdiet\u201d or \u201cprogram\u201d but a lifestyle with healthy eating patterns, regular physical activity, and stress management. Medications taken for other conditions may also make it harder to lose weight. Losing weight isn\u2019t easy, and it takes commitment. When you\u2019re trying to lose weight, it\u2019s natural to want it to happen very quickly. But people with gradual and steady weight loss (about [latex]1[\/latex] to [latex]2[\/latex] pounds per week) are more likely to keep the weight off.<\/p>\r\n<p>A researcher is interested in comparing the average weight loss over a [latex]12[\/latex]-week period between individuals randomly assigned to one of four groups:<\/p>\r\n<ul>\r\n\t<li>Diet only<\/li>\r\n\t<li>Diet and assorted cardio routines four days a week<\/li>\r\n\t<li>Diet and cycling activities four days a week<\/li>\r\n\t<li>Diet and a combination of strength training and cardio activities four days a week<\/li>\r\n<\/ul>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]2013[\/ohm2_question]<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]2014[\/ohm2_question]<\/section>","rendered":"<section class=\"textbox learningGoals\">\n<ul>\n<li><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Write a null and alternative hypothesis for a one-way ANOVA hypothesis test&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:12801,&quot;3&quot;:{&quot;1&quot;:0},&quot;12&quot;:0,&quot;15&quot;:&quot;arial&quot;,&quot;16&quot;:10}\">Write a null and alternative hypothesis for a one-way ANOVA hypothesis test<\/span><\/li>\n<li><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Discuss the error sum of squares and group sum of squares&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:14720,&quot;10&quot;:2,&quot;11&quot;:4,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Calibri&quot;,&quot;16&quot;:9}\">Discuss the error sum of squares and group sum of squares<\/span><\/li>\n<\/ul>\n<\/section>\n<h2>Weight Loss<\/h2>\n<p><a class=\"footnote\" title=\"https:\/\/www.cdc.gov\/healthyweight\/losing_weight\/index.html\" id=\"return-footnote-1354-1\" href=\"#footnote-1354-1\" aria-label=\"Footnote 1\"><sup class=\"footnote\">[1]<\/sup><\/a>Achieving healthy weight loss isn\u2019t about a \u201cdiet\u201d or \u201cprogram\u201d but a lifestyle with healthy eating patterns, regular physical activity, and stress management. Medications taken for other conditions may also make it harder to lose weight. Losing weight isn\u2019t easy, and it takes commitment. When you\u2019re trying to lose weight, it\u2019s natural to want it to happen very quickly. But people with gradual and steady weight loss (about [latex]1[\/latex] to [latex]2[\/latex] pounds per week) are more likely to keep the weight off.<\/p>\n<p>A researcher is interested in comparing the average weight loss over a [latex]12[\/latex]-week period between individuals randomly assigned to one of four groups:<\/p>\n<ul>\n<li>Diet only<\/li>\n<li>Diet and assorted cardio routines four days a week<\/li>\n<li>Diet and cycling activities four days a week<\/li>\n<li>Diet and a combination of strength training and cardio activities four days a week<\/li>\n<\/ul>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm2013\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=2013&theme=lumen&iframe_resize_id=ohm2013&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm2014\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=2014&theme=lumen&iframe_resize_id=ohm2014&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<hr class=\"before-footnotes clear\" \/><div class=\"footnotes\"><ol><li id=\"footnote-1354-1\">https:\/\/www.cdc.gov\/healthyweight\/losing_weight\/index.html <a href=\"#return-footnote-1354-1\" class=\"return-footnote\" aria-label=\"Return to footnote 1\">&crarr;<\/a><\/li><\/ol><\/div>","protected":false},"author":8,"menu_order":11,"template":"","meta":{"_candela_citation":"[]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":1348,"module-header":"apply_it","content_attributions":[],"internal_book_links":[],"video_content":null,"cc_video_embed_content":{"cc_scripts":"","media_targets":[]},"try_it_collection":null,"_links":{"self":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1354"}],"collection":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/users\/8"}],"version-history":[{"count":5,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1354\/revisions"}],"predecessor-version":[{"id":6837,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1354\/revisions\/6837"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/parts\/1348"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1354\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/media?parent=1354"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapter-type?post=1354"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/contributor?post=1354"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/license?post=1354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}