{"id":19175,"date":"2016-12-18T17:00:40","date_gmt":"2016-12-18T17:00:40","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=19175"},"modified":"2016-12-18T17:00:40","modified_gmt":"2016-12-18T17:00:40","slug":"statistics-using-t-statistics-on-the-ti-83-plus","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/statistics-using-t-statistics-on-the-ti-83-plus\/","title":{"rendered":"Statistics:  using t-statistics on the TI-83 Plus"},"content":{"rendered":"<h1>The tutor gives an example of how to use the TI-83 Plus to get results from the t-distribution.<\/h1>\n<p>Let&#8217;s imagine the following situation:<\/p>\n<ul>\n<li>Sample size: 25<\/li>\n<li>Sample mean: 14.4<\/li>\n<li>Sample standard deviation: 3.3<\/li>\n<\/ul>\n<p>Estimate the percent of the population between 10.2 and 12.9.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>On the TI-83 Plus, key the following:<\/p>\n<ol>\n<li>2nd VARS<\/li>\n<li>5 (to choose tcdf)<\/li>\n<li><span style=\"font-family:monospace;font-size:120%\">tcdf(<\/span>should appear.  Its parameters are (<em>lower bound, upper bound, degrees of freedom<\/em>).<\/li>\n<li>Key in (10.2-14.4)\u00f73.3, (12.9-14.4)\u00f73.3, 24)<\/li>\n<li>Hopefully you receive the answer 0.219 (rounded to three decimal places).<\/li>\n<li>Apparently, 21.9% of the population lies between 10.2 and 12.9, under these circumstances.<\/li>\n<\/ol>\n<p>HTH:)<\/p>\n<p>Source:<\/p>\n<p><u>Texas Instruments TI-83 Plus<\/u> manual.  Texas Instruments, 1999.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tutor gives an example of how to use the TI-83 Plus to get results from the t-distribution. Let&#8217;s imagine the following situation: Sample size: 25 Sample mean: 14.4 Sample standard deviation: 3.3 Estimate the percent of the population between &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/statistics-using-t-statistics-on-the-ti-83-plus\/\"> <span class=\"screen-reader-text\">Statistics:  using t-statistics on the TI-83 Plus<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90,19],"tags":[2072,451],"class_list":["post-19175","post","type-post","status-publish","format-standard","hentry","category-calculator-usage","category-statistics","tag-t-distribtuion","tag-ti-83-plus"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=19175"}],"version-history":[{"count":7,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19175\/revisions"}],"predecessor-version":[{"id":19182,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19175\/revisions\/19182"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=19175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=19175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=19175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}