{"id":691,"date":"2021-08-13T17:20:40","date_gmt":"2021-08-13T17:20:40","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/?post_type=chapter&#038;p=691"},"modified":"2022-01-10T18:47:08","modified_gmt":"2022-01-10T18:47:08","slug":"introduction-to-data-sampling-and-variation-in-data-and-sampling","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/chapter\/introduction-to-data-sampling-and-variation-in-data-and-sampling\/","title":{"raw":"Introduction to Data, Sampling, and Variation in Data and Sampling","rendered":"Introduction to Data, Sampling, and Variation in Data and Sampling"},"content":{"raw":"<h2>What you\u2019ll learn to do: understand and evaluate quantitative and qualitative data<\/h2>\r\n<img class=\"alignright wp-image-692 size-medium\" style=\"font-size: 1em;\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/08\/13171907\/pexels-pixabay-265087-300x200.jpg\" alt=\"A computer with a bar chart and pie chart and a tablet that has a calendar open\" width=\"300\" height=\"200\" \/>Not all data can be represented in the same way. If the data is categorical, different graphs and statistics are used than if the data is quantitative (numerical). There are a variety of ways that data can be gathered, though the best methods involve selecting the items in a way that is random. There are also several problems that can happen with data collection that can lead to incorrect conclusions about the population of interest.","rendered":"<h2>What you\u2019ll learn to do: understand and evaluate quantitative and qualitative data<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-692 size-medium\" style=\"font-size: 1em;\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/08\/13171907\/pexels-pixabay-265087-300x200.jpg\" alt=\"A computer with a bar chart and pie chart and a tablet that has a calendar open\" width=\"300\" height=\"200\" \/>Not all data can be represented in the same way. If the data is categorical, different graphs and statistics are used than if the data is quantitative (numerical). There are a variety of ways that data can be gathered, though the best methods involve selecting the items in a way that is random. There are also several problems that can happen with data collection that can lead to incorrect conclusions about the population of interest.<\/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-691\">\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>Gray and Black Laptop Computer. <strong>Authored by<\/strong>: Pixabay. <strong>Provided by<\/strong>: Pexels. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/www.pexels.com\/photo\/business-charts-commerce-computer-265087\/\">https:\/\/www.pexels.com\/photo\/business-charts-commerce-computer-265087\/<\/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":11,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Gray and Black Laptop Computer\",\"author\":\"Pixabay\",\"organization\":\"Pexels\",\"url\":\"https:\/\/www.pexels.com\/photo\/business-charts-commerce-computer-265087\/\",\"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-691","chapter","type-chapter","status-publish","hentry"],"part":23,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/691","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":6,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/691\/revisions"}],"predecessor-version":[{"id":3222,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/691\/revisions\/3222"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/parts\/23"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/691\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/media?parent=691"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapter-type?post=691"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/contributor?post=691"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/license?post=691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}