{"id":249,"date":"2022-06-16T18:10:54","date_gmt":"2022-06-16T18:10:54","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/alphamodule\/?post_type=chapter&#038;p=249"},"modified":"2022-06-16T18:10:54","modified_gmt":"2022-06-16T18:10:54","slug":"sampling-bias-background-youll-need-2","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/alphamodule\/chapter\/sampling-bias-background-youll-need-2\/","title":{"raw":"Sampling Bias: Background You'll Need 2","rendered":"Sampling Bias: Background You&#8217;ll Need 2"},"content":{"raw":"<h3>Distinguish between sample\/population and statistic\/parameter<\/h3>\r\nIn <em>What to Know\u00a0[2A]<\/em>, you learned about populations and samples. You saw that one primary use of statistics is to make inferences about a <strong>population<\/strong> based on data collected on a <strong>sample<\/strong> from that population. The <strong>population<\/strong> is the group of individuals or entities that our research question pertains to (e.g., all Americans), and a <strong>parameter<\/strong> is a numerical summary measure that summarizes that population (e.g., the proportion who use social media). A <strong>sample<\/strong> is a group of individuals or entities on which we collect data, and a <strong>statistic<\/strong> is a numerical summary measure of a sample.\r\n\r\nLet's practice distinguishing between sample and population, statistic and parameter. Use the following scenario to answer Questions 5 - 8.\r\n\r\n<em>A survey is administered to undergraduate students at college in Nebraska about their attitudes on the new learning management system used in all courses. Of the 40,322 students enrolled at the college, a random sample of 2,500 students were surveyed.<\/em>\r\n<div class=\"textbox key-takeaways\">\r\n<h3>question 5<\/h3>\r\n5) What is the population in the given scenario?\r\n\r\n[reveal-answer q=\"241427\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"241427\"]See the text above for guidance.[\/hidden-answer]\r\n\r\n<\/div>\r\n<div class=\"textbox key-takeaways\">\r\n<h3>question 6<\/h3>\r\n6) What is the sample in the given scenario?\r\n\r\n[reveal-answer q=\"203729\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"203729\"]See the text above for guidance.[\/hidden-answer]\r\n\r\n<\/div>\r\n<div class=\"textbox key-takeaways\">\r\n<h3>question 7<\/h3>\r\n7) What would be an example of a parameter in this context?\r\n\r\n[reveal-answer q=\"350365\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"350365\"]See the text above for guidance.[\/hidden-answer]\r\n\r\n<\/div>\r\n<div class=\"textbox key-takeaways\">\r\n<h3>question 8<\/h3>\r\n8) What would be an example of a statistic in this context?\r\n\r\n[reveal-answer q=\"542303\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"542303\"]See the text above for guidance.[\/hidden-answer]\r\n\r\n<\/div>\r\nIn this corequisite support activity, you've learned the statistical definition of\u00a0<em>random<\/em>, and learned to distinguish between\u00a0a sample and population and between a statistic (of the sample) and a parameter (of the population). Let's move on to the course section and activity to practice using these terms!","rendered":"<h3>Distinguish between sample\/population and statistic\/parameter<\/h3>\n<p>In <em>What to Know\u00a0[2A]<\/em>, you learned about populations and samples. You saw that one primary use of statistics is to make inferences about a <strong>population<\/strong> based on data collected on a <strong>sample<\/strong> from that population. The <strong>population<\/strong> is the group of individuals or entities that our research question pertains to (e.g., all Americans), and a <strong>parameter<\/strong> is a numerical summary measure that summarizes that population (e.g., the proportion who use social media). A <strong>sample<\/strong> is a group of individuals or entities on which we collect data, and a <strong>statistic<\/strong> is a numerical summary measure of a sample.<\/p>\n<p>Let&#8217;s practice distinguishing between sample and population, statistic and parameter. Use the following scenario to answer Questions 5 &#8211; 8.<\/p>\n<p><em>A survey is administered to undergraduate students at college in Nebraska about their attitudes on the new learning management system used in all courses. Of the 40,322 students enrolled at the college, a random sample of 2,500 students were surveyed.<\/em><\/p>\n<div class=\"textbox key-takeaways\">\n<h3>question 5<\/h3>\n<p>5) What is the population in the given scenario?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q241427\">Hint<\/span><\/p>\n<div id=\"q241427\" class=\"hidden-answer\" style=\"display: none\">See the text above for guidance.<\/div>\n<\/div>\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>question 6<\/h3>\n<p>6) What is the sample in the given scenario?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q203729\">Hint<\/span><\/p>\n<div id=\"q203729\" class=\"hidden-answer\" style=\"display: none\">See the text above for guidance.<\/div>\n<\/div>\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>question 7<\/h3>\n<p>7) What would be an example of a parameter in this context?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q350365\">Hint<\/span><\/p>\n<div id=\"q350365\" class=\"hidden-answer\" style=\"display: none\">See the text above for guidance.<\/div>\n<\/div>\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>question 8<\/h3>\n<p>8) What would be an example of a statistic in this context?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q542303\">Hint<\/span><\/p>\n<div id=\"q542303\" class=\"hidden-answer\" style=\"display: none\">See the text above for guidance.<\/div>\n<\/div>\n<\/div>\n<p>In this corequisite support activity, you&#8217;ve learned the statistical definition of\u00a0<em>random<\/em>, and learned to distinguish between\u00a0a sample and population and between a statistic (of the sample) and a parameter (of the population). Let&#8217;s move on to the course section and activity to practice using these terms!<\/p>\n","protected":false},"author":17533,"menu_order":10,"template":"","meta":{"_candela_citation":"[]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-249","chapter","type-chapter","status-publish","hentry"],"part":158,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapters\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/wp\/v2\/users\/17533"}],"version-history":[{"count":1,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapters\/249\/revisions"}],"predecessor-version":[{"id":268,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapters\/249\/revisions\/268"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/parts\/158"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapters\/249\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/wp\/v2\/media?parent=249"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/pressbooks\/v2\/chapter-type?post=249"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/wp\/v2\/contributor?post=249"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/alphamodule\/wp-json\/wp\/v2\/license?post=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}