{"id":2022,"date":"2021-09-23T19:22:17","date_gmt":"2021-09-23T19:22:17","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/?post_type=chapter&#038;p=2022"},"modified":"2022-02-18T05:57:40","modified_gmt":"2022-02-18T05:57:40","slug":"introduction-to-a-population-proportion","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/chapter\/introduction-to-a-population-proportion\/","title":{"raw":"Introduction to A Population Proportion","rendered":"Introduction to A Population Proportion"},"content":{"raw":"<h2>What you\u2019ll learn to do: construct a confidence interval and calculate the sample size needed for a given error bound for a population proportion<\/h2>\r\n<img class=\"alignright wp-image-2023 size-medium\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/09\/23192105\/pexels-element-digital-1550339-300x200.jpg\" alt=\"many stickers that say &quot;I Voted&quot;\" width=\"300\" height=\"200\" \/>Each month a survey is done by a polling organization to estimate the approval rating of the current President of the United States. A poll such as this one will report a point estimate and a margin of error. Often the margin of error is plus or minus three percent. In this section you will learn how such margin of errors and confidence intervals are created for population proportions.","rendered":"<h2>What you\u2019ll learn to do: construct a confidence interval and calculate the sample size needed for a given error bound for a population proportion<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2023 size-medium\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/09\/23192105\/pexels-element-digital-1550339-300x200.jpg\" alt=\"many stickers that say &quot;I Voted&quot;\" width=\"300\" height=\"200\" \/>Each month a survey is done by a polling organization to estimate the approval rating of the current President of the United States. A poll such as this one will report a point estimate and a margin of error. Often the margin of error is plus or minus three percent. In this section you will learn how such margin of errors and confidence intervals are created for population proportions.<\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-2022\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li><strong>Provided by<\/strong>: Lumen Learning. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Stickers with I voted inscription and flag of USA. <strong>Authored by<\/strong>: Element5 Digital. <strong>Provided by<\/strong>: Pexels. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/www.pexels.com\/photo\/stickers-with-i-voted-inscription-and-flag-of-usa-1550339\/\">https:\/\/www.pexels.com\/photo\/stickers-with-i-voted-inscription-and-flag-of-usa-1550339\/<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/about\/cc0\">CC0: No Rights Reserved<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":169134,"menu_order":16,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Stickers with I voted inscription and flag of USA\",\"author\":\"Element5 Digital\",\"organization\":\"Pexels\",\"url\":\"https:\/\/www.pexels.com\/photo\/stickers-with-i-voted-inscription-and-flag-of-usa-1550339\/\",\"project\":\"\",\"license\":\"cc0\",\"license_terms\":\"\"},{\"type\":\"original\",\"description\":\"\",\"author\":\"\",\"organization\":\"Lumen Learning\",\"url\":\"\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-2022","chapter","type-chapter","status-publish","hentry"],"part":269,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/users\/169134"}],"version-history":[{"count":5,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2022\/revisions"}],"predecessor-version":[{"id":3776,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2022\/revisions\/3776"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/parts\/269"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2022\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/media?parent=2022"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapter-type?post=2022"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/contributor?post=2022"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/license?post=2022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}