{"id":2501,"date":"2021-10-15T11:52:00","date_gmt":"2021-10-15T11:52:00","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/?post_type=chapter&#038;p=2501"},"modified":"2022-04-23T00:45:02","modified_gmt":"2022-04-23T00:45:02","slug":"introduction-to-outliers","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/chapter\/introduction-to-outliers\/","title":{"raw":"Introduction to Outliers","rendered":"Introduction to Outliers"},"content":{"raw":"<h2>What you\u2019ll learn to do: Identify outliers graphically and numerically by a given scatter plot and comparing residuals to two standard errors<\/h2>\r\n<img class=\"size-medium wp-image-2502 alignright\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/15115114\/pexels-leah-kelley-691046-300x200.jpg\" alt=\"A close up of a diamond ring.\" width=\"300\" height=\"200\" \/>Can we predict the price of a diamond ring from the size (or the number of karats) of the diamond? Although a linear model may be a good fit for most diamonds, there could be diamond rings that don\u2019t follow the general trend of prices due to additional ring features, which make the ring more expensive. Identifying points that don\u2019t follow the general trend will be discussed in this section.","rendered":"<h2>What you\u2019ll learn to do: Identify outliers graphically and numerically by a given scatter plot and comparing residuals to two standard errors<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2502 alignright\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5668\/2021\/10\/15115114\/pexels-leah-kelley-691046-300x200.jpg\" alt=\"A close up of a diamond ring.\" width=\"300\" height=\"200\" \/>Can we predict the price of a diamond ring from the size (or the number of karats) of the diamond? Although a linear model may be a good fit for most diamonds, there could be diamond rings that don\u2019t follow the general trend of prices due to additional ring features, which make the ring more expensive. Identifying points that don\u2019t follow the general trend will be discussed in this section.<\/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-2501\">\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>Close Up Photo of Diamond Stud Silver-colored Eternity Ring. <strong>Authored by<\/strong>: Leah Kelley. <strong>Provided by<\/strong>: Pexels. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/www.pexels.com\/photo\/close-up-photo-of-diamond-stud-silver-colored-eternity-ring-691046\/\">https:\/\/www.pexels.com\/photo\/close-up-photo-of-diamond-stud-silver-colored-eternity-ring-691046\/<\/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":24,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Close Up Photo of Diamond Stud Silver-colored Eternity Ring\",\"author\":\"Leah Kelley\",\"organization\":\"Pexels\",\"url\":\"https:\/\/www.pexels.com\/photo\/close-up-photo-of-diamond-stud-silver-colored-eternity-ring-691046\/\",\"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-2501","chapter","type-chapter","status-publish","hentry"],"part":303,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2501","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":3,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2501\/revisions"}],"predecessor-version":[{"id":3988,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2501\/revisions\/3988"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/parts\/303"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapters\/2501\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/media?parent=2501"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/pressbooks\/v2\/chapter-type?post=2501"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/contributor?post=2501"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/introstatscorequisite\/wp-json\/wp\/v2\/license?post=2501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}