{"id":2335,"date":"2023-08-01T01:27:06","date_gmt":"2023-08-01T01:27:06","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introstatstest\/?post_type=chapter&#038;p=2335"},"modified":"2025-04-17T03:47:56","modified_gmt":"2025-04-17T03:47:56","slug":"measures-of-variability-apply-it-1","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/measures-of-variability-apply-it-1\/","title":{"raw":"Measures of Variability: Apply It 1","rendered":"Measures of Variability: Apply It 1"},"content":{"raw":"<section class=\"textbox learningGoals\">\r\n<ul>\r\n\t<li>Describe the differences in variability in histograms and dotplots.<\/li>\r\n\t<li>Calculate and describe standard deviation.<\/li>\r\n<\/ul>\r\n<\/section>\r\n<h2>It\u2019s Showtime!<\/h2>\r\n<p>Have you ever thought about how long or how short some movies are? You might have the idea that a typical movie runs a little under two hours, but movie runtimes cover a broad range. The shortest modern feature films have run just over an hour, while the longest run three and even four hours. Have you ever thought about why there is such variability in the length of movies?<\/p>\r\n\r\n[caption id=\"attachment_1119\" align=\"aligncenter\" width=\"435\"]<img class=\"wp-image-1119\" src=\"https:\/\/content-cdn.one.lumenlearning.com\/wp-content\/uploads\/sites\/10\/2022\/10\/31180642\/pexels-kampus-production-6297620-683x1024.jpg\" alt=\"Woman with a girl on her lap wearing headphones and watching something on a laptop.\" width=\"435\" height=\"652\" \/> Figure 1. Exploring movie data\u2014like runtimes\u2014can reveal trends about what we love to watch and how long we\u2019re willing to stay tuned in.[\/caption]\r\n\r\n<p>Let's explore movie lengths or \u201cruntimes\u201d and the ratings that go along with the runtimes. Let\u2019s compare the movie runtimes for rated G (General Audiences, All Ages Admitted) and rated R (Restricted, Children Under 17 Require Accompanying Parent or Adult Guardian) movies.[footnote] <em>What do movie ratings mean?<\/em> (n.d.). Showbiz.Junkies. Retrieved from https:\/\/www.showbizjunkies.com\/mpaa-ratings\/ [\/footnote] Along the way, let's gain an understanding of how variability is reflected in graphical displays and described using numerical summaries.<\/p>\r\n<section class=\"textbox tryIt\">[ohm2_question hide_question_numbers=1]2127[\/ohm2_question]<\/section>","rendered":"<section class=\"textbox learningGoals\">\n<ul>\n<li>Describe the differences in variability in histograms and dotplots.<\/li>\n<li>Calculate and describe standard deviation.<\/li>\n<\/ul>\n<\/section>\n<h2>It\u2019s Showtime!<\/h2>\n<p>Have you ever thought about how long or how short some movies are? You might have the idea that a typical movie runs a little under two hours, but movie runtimes cover a broad range. The shortest modern feature films have run just over an hour, while the longest run three and even four hours. Have you ever thought about why there is such variability in the length of movies?<\/p>\n<figure id=\"attachment_1119\" aria-describedby=\"caption-attachment-1119\" style=\"width: 435px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1119\" src=\"https:\/\/content-cdn.one.lumenlearning.com\/wp-content\/uploads\/sites\/10\/2022\/10\/31180642\/pexels-kampus-production-6297620-683x1024.jpg\" alt=\"Woman with a girl on her lap wearing headphones and watching something on a laptop.\" width=\"435\" height=\"652\" \/><figcaption id=\"caption-attachment-1119\" class=\"wp-caption-text\">Figure 1. Exploring movie data\u2014like runtimes\u2014can reveal trends about what we love to watch and how long we\u2019re willing to stay tuned in.<\/figcaption><\/figure>\n<p>Let&#8217;s explore movie lengths or \u201cruntimes\u201d and the ratings that go along with the runtimes. Let\u2019s compare the movie runtimes for rated G (General Audiences, All Ages Admitted) and rated R (Restricted, Children Under 17 Require Accompanying Parent or Adult Guardian) movies.<a class=\"footnote\" title=\"What do movie ratings mean? (n.d.). Showbiz.Junkies. Retrieved from https:\/\/www.showbizjunkies.com\/mpaa-ratings\/\" id=\"return-footnote-2335-1\" href=\"#footnote-2335-1\" aria-label=\"Footnote 1\"><sup class=\"footnote\">[1]<\/sup><\/a> Along the way, let&#8217;s gain an understanding of how variability is reflected in graphical displays and described using numerical summaries.<\/p>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm2127\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=2127&theme=lumen&iframe_resize_id=ohm2127&source=tnh\" width=\"100%\" height=\"150\"><\/iframe><\/section>\n<hr class=\"before-footnotes clear\" \/><div class=\"footnotes\"><ol><li id=\"footnote-2335-1\"> <em>What do movie ratings mean?<\/em> (n.d.). Showbiz.Junkies. Retrieved from https:\/\/www.showbizjunkies.com\/mpaa-ratings\/  <a href=\"#return-footnote-2335-1\" class=\"return-footnote\" aria-label=\"Return to footnote 1\">&crarr;<\/a><\/li><\/ol><\/div>","protected":false},"author":13,"menu_order":35,"template":"","meta":{"_candela_citation":"[]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":834,"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\/2335"}],"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\/13"}],"version-history":[{"count":5,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/2335\/revisions"}],"predecessor-version":[{"id":6456,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/2335\/revisions\/6456"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/parts\/834"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/2335\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/media?parent=2335"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapter-type?post=2335"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/contributor?post=2335"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/license?post=2335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}