{"id":492,"date":"2023-02-27T17:22:40","date_gmt":"2023-02-27T17:22:40","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introstatstest\/?post_type=chapter&#038;p=492"},"modified":"2025-04-15T03:00:19","modified_gmt":"2025-04-15T03:00:19","slug":"statistical-questions-dig-deeper","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introstatstest\/chapter\/statistical-questions-dig-deeper\/","title":{"raw":"Statistical Questions: Fresh Take","rendered":"Statistical Questions: Fresh Take"},"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;Create questions that can be answered with statistics&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4865,&quot;3&quot;:{&quot;1&quot;:0},&quot;11&quot;:0,&quot;12&quot;:0,&quot;15&quot;:&quot;Calibri&quot;}\">Create questions that can be answered with statistics<\/span><\/li>\r\n\t<li>Name and classify variables by type<\/li>\r\n<\/ul>\r\n<\/section>\r\n<div style=\"font-weight: 400;\">\r\n<h2>What is a Good Statistical Question?<\/h2>\r\n<section class=\"textbox recall\">\r\n<p>A\u00a0<strong>statistical question\u00a0<\/strong>anticipates<strong> variability<\/strong> in data collected from many individuals to answer the question.<\/p>\r\n<p>The individuals we collect information from (data) are called <strong>observational units<\/strong> and each piece of information we collect from the individuals is called a <strong>variable<\/strong>.<\/p>\r\n<p>A good statistical question anticipates that the variables recorded will vary from individual to individual.<\/p>\r\n<\/section>\r\n<section class=\"textbox watchIt\">\r\n<p>[embed]https:\/\/www.youtube.com\/embed\/qyYSQDcSNlY[\/embed]<\/p>\r\n<\/section>\r\n<\/div>\r\n<h2>Categorical and Quantitative Variables<\/h2>\r\n<section class=\"textbox recall\">\r\n<p>The object of our question is called the <strong>variable<\/strong>.<\/p>\r\n<p><strong>Categorical variables<\/strong> are described using\u00a0<strong>words<\/strong> (or unique identifiers like a ZIP code that contain numbers but act like a word).<\/p>\r\n<p><strong>Quantitative variables<\/strong> are described using <strong>numbers<\/strong> that can be summed up or averaged.<\/p>\r\n<ul>\r\n\t<li><strong>Discrete<\/strong> <strong>quantitative<\/strong> variables must be counted only in <strong>whole numbers.<\/strong><\/li>\r\n\t<li><strong>Continuous<\/strong> <strong>quantitative<\/strong> variables can take on\u00a0<strong>any number, or any number in between.<\/strong><\/li>\r\n<\/ul>\r\n<\/section>\r\n<section class=\"textbox watchIt\">\r\n<p>[embed]https:\/\/www.youtube.com\/embed\/ZxV-kf0yBss[\/embed]<\/p>\r\n<\/section>","rendered":"<section class=\"textbox learningGoals\">\n<ul>\n<li><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Create questions that can be answered with statistics&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4865,&quot;3&quot;:{&quot;1&quot;:0},&quot;11&quot;:0,&quot;12&quot;:0,&quot;15&quot;:&quot;Calibri&quot;}\">Create questions that can be answered with statistics<\/span><\/li>\n<li>Name and classify variables by type<\/li>\n<\/ul>\n<\/section>\n<div style=\"font-weight: 400;\">\n<h2>What is a Good Statistical Question?<\/h2>\n<section class=\"textbox recall\">\n<p>A\u00a0<strong>statistical question\u00a0<\/strong>anticipates<strong> variability<\/strong> in data collected from many individuals to answer the question.<\/p>\n<p>The individuals we collect information from (data) are called <strong>observational units<\/strong> and each piece of information we collect from the individuals is called a <strong>variable<\/strong>.<\/p>\n<p>A good statistical question anticipates that the variables recorded will vary from individual to individual.<\/p>\n<\/section>\n<section class=\"textbox watchIt\">\n<p><iframe loading=\"lazy\" id=\"oembed-1\" title=\"Statistical and non statistical questions | Probability and Statistics | Khan Academy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/qyYSQDcSNlY?feature=oembed&#38;rel=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<\/section>\n<\/div>\n<h2>Categorical and Quantitative Variables<\/h2>\n<section class=\"textbox recall\">\n<p>The object of our question is called the <strong>variable<\/strong>.<\/p>\n<p><strong>Categorical variables<\/strong> are described using\u00a0<strong>words<\/strong> (or unique identifiers like a ZIP code that contain numbers but act like a word).<\/p>\n<p><strong>Quantitative variables<\/strong> are described using <strong>numbers<\/strong> that can be summed up or averaged.<\/p>\n<ul>\n<li><strong>Discrete<\/strong> <strong>quantitative<\/strong> variables must be counted only in <strong>whole numbers.<\/strong><\/li>\n<li><strong>Continuous<\/strong> <strong>quantitative<\/strong> variables can take on\u00a0<strong>any number, or any number in between.<\/strong><\/li>\n<\/ul>\n<\/section>\n<section class=\"textbox watchIt\">\n<p><iframe loading=\"lazy\" id=\"oembed-2\" title=\"Variables and Types of Variables | Statistics Tutorial | MarinStatsLectures\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/ZxV-kf0yBss?feature=oembed&#38;rel=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<\/section>\n","protected":false},"author":13,"menu_order":14,"template":"","meta":{"_candela_citation":"[]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":375,"module-header":"fresh_take","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\/492"}],"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":12,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/492\/revisions"}],"predecessor-version":[{"id":6379,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/492\/revisions\/6379"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/parts\/375"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapters\/492\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/media?parent=492"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/pressbooks\/v2\/chapter-type?post=492"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/contributor?post=492"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introstatstest\/wp-json\/wp\/v2\/license?post=492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}