{"id":1314,"date":"2023-06-22T02:17:26","date_gmt":"2023-06-22T02:17:26","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/null-and-alternative-hypothesis-for-means-background-youll-need-3\/"},"modified":"2024-01-22T19:28:31","modified_gmt":"2024-01-22T19:28:31","slug":"null-and-alternative-hypothesis-for-means-background-youll-need-3","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/null-and-alternative-hypothesis-for-means-background-youll-need-3\/","title":{"raw":"Module 12: Background You'll Need 3","rendered":"Module 12: Background You&#8217;ll Need 3"},"content":{"raw":"<section class=\"textbox learningGoals\">\r\n<ul>\r\n\t<li><span style=\"background-color: initial; font-size: 0.9em; word-spacing: normal;\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Describe a null and alternative hypothesis&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4096,&quot;15&quot;:&quot;Calibri&quot;}\">Describe a null and alternative hypothesis.<\/span><\/span><\/li>\r\n<\/ul>\r\n<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]839[\/ohm2_question]<\/section>\r\n<section class=\"textbox recall\">\r\n<p class=\"para\" style=\"margin: 6.0pt 0in 6.0pt 0in;\">In a statistical hypothesis test:<\/p>\r\n<ul>\r\n\t<li>The <strong>null hypothesis<\/strong>, [latex] H_{0} [\/latex], is what we assume to be true to begin with. It is often a statement of no change from the previous value or from what is expected.<\/li>\r\n\t<li>The <strong>alternative hypothesis<\/strong>, [latex] H_{A} [\/latex], is what we consider to be plausible if the null hypothesis is false. Often, it is a change from the null hypothesis that we would like to test the accuracy of. The alternative hypothesis answers the question, \u201cDo we think the actual parameter is larger than, smaller than, or just different from the null value, where the null value is the value specified in the null hypothesis?\u201d<\/li>\r\n<\/ul>\r\n<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]843[\/ohm2_question]<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]834[\/ohm2_question]<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]842[\/ohm2_question]<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]983[\/ohm2_question]<\/section>","rendered":"<section class=\"textbox learningGoals\">\n<ul>\n<li><span style=\"background-color: initial; font-size: 0.9em; word-spacing: normal;\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Describe a null and alternative hypothesis&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4096,&quot;15&quot;:&quot;Calibri&quot;}\">Describe a null and alternative hypothesis.<\/span><\/span><\/li>\n<\/ul>\n<\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm839\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=839&theme=lumen&iframe_resize_id=ohm839&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<section class=\"textbox recall\">\n<p class=\"para\" style=\"margin: 6.0pt 0in 6.0pt 0in;\">In a statistical hypothesis test:<\/p>\n<ul>\n<li>The <strong>null hypothesis<\/strong>, [latex]H_{0}[\/latex], is what we assume to be true to begin with. It is often a statement of no change from the previous value or from what is expected.<\/li>\n<li>The <strong>alternative hypothesis<\/strong>, [latex]H_{A}[\/latex], is what we consider to be plausible if the null hypothesis is false. Often, it is a change from the null hypothesis that we would like to test the accuracy of. The alternative hypothesis answers the question, \u201cDo we think the actual parameter is larger than, smaller than, or just different from the null value, where the null value is the value specified in the null hypothesis?\u201d<\/li>\n<\/ul>\n<\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm843\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=843&theme=lumen&iframe_resize_id=ohm843&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm834\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=834&theme=lumen&iframe_resize_id=ohm834&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm842\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=842&theme=lumen&iframe_resize_id=ohm842&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm983\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=983&theme=lumen&iframe_resize_id=ohm983&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n","protected":false},"author":8,"menu_order":4,"template":"","meta":{"_candela_citation":"[]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":1309,"module-header":"background_you_need","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\/1314"}],"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\/1314\/revisions"}],"predecessor-version":[{"id":5195,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1314\/revisions\/5195"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/parts\/1309"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/1314\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/media?parent=1314"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapter-type?post=1314"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/contributor?post=1314"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/license?post=1314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}