{"id":877,"date":"2022-01-16T18:10:06","date_gmt":"2022-01-16T23:10:06","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/statspsych\/?post_type=chapter&#038;p=877"},"modified":"2022-06-05T02:48:44","modified_gmt":"2022-06-05T06:48:44","slug":"worksheet-2a","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/statspsych\/chapter\/worksheet-2a\/","title":{"raw":"Worksheet 2a.","rendered":"Worksheet 2a."},"content":{"raw":"These guided exercises will give you the opportunity to practice the techniques and apply the concepts you learned in Chapter 2a. You will need some paper, spreadsheet, or a tablet to work on the analyses.\r\n<ol>\r\n \t<li>If we surveyed students in the class regarding the number of hours they typically work in a week to generate a dataset, let's say we found that students reported the following number of work hours:<\/li>\r\n<\/ol>\r\n<p style=\"padding-left: 40px\">0, 0, 0, 0, 0, 0, 6, 8, 8, 8, 10, 12, 12, 14, 15, 15, 18, 20, 20, 20, 20, 22, 24, 24, 24, 25, 25, 30, 35, 36, 38, 40<\/p>\r\n<img class=\"size-full wp-image-937 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/freqtable.png\" alt=\"\" width=\"240\" height=\"144\" \/> <img class=\"wp-image-938 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-1024x610.png\" alt=\"\" width=\"500\" height=\"298\" \/>\r\n\r\n[h5p id=\"104\"]\r\n\r\n[h5p id=\"105\"]\r\n\r\n[h5p id=\"106\"]\r\n\r\n[h5p id=\"107\"]\r\n\r\n&nbsp;\r\n<ol>\r\n \t<li value=\"2\">Data collected from hospital records reveal that the age of first hospitalization for psychosis for a sample of patients are:<\/li>\r\n<\/ol>\r\n<p style=\"padding-left: 40px\">18, 20, 21, 22, 23, 23, 24, 28, 28, 29, 32, 37, 39<\/p>\r\n<img class=\"aligncenter wp-image-945\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-1024x265.png\" alt=\"\" width=\"600\" height=\"155\" \/>\r\n\r\n[h5p id=\"108\"]\r\n\r\n[h5p id=\"109\"]\r\n\r\n[h5p id=\"110\"]\r\n\r\n[h5p id=\"111\"]\r\n\r\n&nbsp;\r\n<ol>\r\n \t<li value=\"3\">The number of years of education for most members of the sample in the study psychosis onset were:<\/li>\r\n<\/ol>\r\n<p style=\"padding-left: 40px\">6, 7, 9, 10, 11, 12, 12, 13, 13, 13, 15, 16<\/p>\r\n<p style=\"padding-left: 40px\">a. Find the mean and median for this dataset.<\/p>\r\n[h5p id=\"112\"]\r\n<p style=\"padding-left: 40px\">b. Why do the mean and median differ?<\/p>\r\n<p style=\"padding-left: 80px\">(HINT: Use a histogram to help you discern the shape of the distribution and how it might influence these measures).<\/p>\r\n<img class=\"aligncenter wp-image-956 \" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-300x271.png\" alt=\"\" width=\"337\" height=\"304\" \/>\r\n\r\n[h5p id=\"113\"]","rendered":"<p>These guided exercises will give you the opportunity to practice the techniques and apply the concepts you learned in Chapter 2a. You will need some paper, spreadsheet, or a tablet to work on the analyses.<\/p>\n<ol>\n<li>If we surveyed students in the class regarding the number of hours they typically work in a week to generate a dataset, let&#8217;s say we found that students reported the following number of work hours:<\/li>\n<\/ol>\n<p style=\"padding-left: 40px\">0, 0, 0, 0, 0, 0, 6, 8, 8, 8, 10, 12, 12, 14, 15, 15, 18, 20, 20, 20, 20, 22, 24, 24, 24, 25, 25, 30, 35, 36, 38, 40<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-937 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/freqtable.png\" alt=\"\" width=\"240\" height=\"144\" srcset=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/freqtable.png 240w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/freqtable-65x39.png 65w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/freqtable-225x135.png 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-938 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-1024x610.png\" alt=\"\" width=\"500\" height=\"298\" srcset=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-1024x610.png 1024w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-300x179.png 300w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-768x457.png 768w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-1536x914.png 1536w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-2048x1219.png 2048w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-65x39.png 65w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-225x134.png 225w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram-350x208.png 350w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<div id=\"h5p-104\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-104\" class=\"h5p-iframe\" data-content-id=\"104\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a1a\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-105\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-105\" class=\"h5p-iframe\" data-content-id=\"105\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a1b\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-106\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-106\" class=\"h5p-iframe\" data-content-id=\"106\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a1c\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-107\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-107\" class=\"h5p-iframe\" data-content-id=\"107\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a1d\"><\/iframe><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<ol>\n<li value=\"2\">Data collected from hospital records reveal that the age of first hospitalization for psychosis for a sample of patients are:<\/li>\n<\/ol>\n<p style=\"padding-left: 40px\">18, 20, 21, 22, 23, 23, 24, 28, 28, 29, 32, 37, 39<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-945\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-1024x265.png\" alt=\"\" width=\"600\" height=\"155\" srcset=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-1024x265.png 1024w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-300x78.png 300w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-768x199.png 768w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-1536x398.png 1536w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-2048x530.png 2048w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-65x17.png 65w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-225x58.png 225w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_agepsych-350x91.png 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<div id=\"h5p-108\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-108\" class=\"h5p-iframe\" data-content-id=\"108\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a2a\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-109\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-109\" class=\"h5p-iframe\" data-content-id=\"109\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a2b\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-110\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-110\" class=\"h5p-iframe\" data-content-id=\"110\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a2c\"><\/iframe><\/div>\n<\/div>\n<div id=\"h5p-111\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-111\" class=\"h5p-iframe\" data-content-id=\"111\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a2d\"><\/iframe><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<ol>\n<li value=\"3\">The number of years of education for most members of the sample in the study psychosis onset were:<\/li>\n<\/ol>\n<p style=\"padding-left: 40px\">6, 7, 9, 10, 11, 12, 12, 13, 13, 13, 15, 16<\/p>\n<p style=\"padding-left: 40px\">a. Find the mean and median for this dataset.<\/p>\n<div id=\"h5p-112\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-112\" class=\"h5p-iframe\" data-content-id=\"112\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a3a\"><\/iframe><\/div>\n<\/div>\n<p style=\"padding-left: 40px\">b. Why do the mean and median differ?<\/p>\n<p style=\"padding-left: 80px\">(HINT: Use a histogram to help you discern the shape of the distribution and how it might influence these measures).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-956\" src=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-300x271.png\" alt=\"\" width=\"337\" height=\"304\" srcset=\"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-300x271.png 300w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-1024x926.png 1024w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-768x695.png 768w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-65x59.png 65w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-225x204.png 225w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych-350x317.png 350w, https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-content\/uploads\/sites\/1469\/2022\/01\/histogram_educpsych.png 1404w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/p>\n<div id=\"h5p-113\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-113\" class=\"h5p-iframe\" data-content-id=\"113\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"WS2a3b\"><\/iframe><\/div>\n<\/div>\n","protected":false},"author":1394,"menu_order":2,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[48],"contributor":[],"license":[],"class_list":["post-877","chapter","type-chapter","status-web-only","hentry","chapter-type-numberless"],"part":871,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/users\/1394"}],"version-history":[{"count":20,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/877\/revisions"}],"predecessor-version":[{"id":958,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/877\/revisions\/958"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/parts\/871"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/877\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/media?parent=877"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapter-type?post=877"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/contributor?post=877"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/license?post=877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}