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diff --git a/helpcontent2/source/text/scalc/01/statistics_test_t.xhp b/helpcontent2/source/text/scalc/01/statistics_test_t.xhp new file mode 100644 index 000000000..6a013e6a5 --- /dev/null +++ b/helpcontent2/source/text/scalc/01/statistics_test_t.xhp @@ -0,0 +1,211 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + --> + +<meta> +<topic id="tteststat" indexer="include" status="PUBLISH"> +<title xml-lang="en-US" id="tit">T Test Statistics in Calc</title> +<filename>/text/scalc/01/statistics_test_t.xhp</filename> +</topic> +</meta> +<body> + +<bookmark xml-lang="en-US" branch="index" id="bm_id05001"> +<bookmark_value>Analysis toolpack;t-test</bookmark_value> +<bookmark_value>Analysis toolpack;paired t-test</bookmark_value> +<bookmark_value>t-test;Analysis toolpack</bookmark_value> +<bookmark_value>paired t-test;Analysis toolpack</bookmark_value> +<bookmark_value>Data statistics;paired t-test</bookmark_value> +</bookmark> +<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ttestdialog/TTestDialog" id="bm_id05002" localize="false"/> +<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ttestdialog/@@nowidget@@" id="bm_id05002" localize="false"/> +<section id="ttest"> + <h1 id="hd_id1000150"><variable id="ttesth1"><link href="text/scalc/01/statistics_test_t.xhp" name="Paired t-test">Paired t-test</link></variable></h1> +<paragraph id="par_id1002820" role="paragraph" xml-lang="en-US"><ahelp hid="modules/scalc/ui/ttestdialog/TTestDialog">Calculates the paired t-Test of two data samples.</ahelp></paragraph> +</section> +<section id="howtoget"> +<paragraph id="par_id1002830" role="paragraph" xml-lang="en-US"><variable id="sam01">Choose <menuitem>Data - Statistics - Paired t-test</menuitem></variable></paragraph> +</section> +<paragraph id="par_id1002840" role="paragraph" xml-lang="en-US">A <emph>paired t-test</emph> is any statistical hypothesis test that follows a Student's t distribution.</paragraph> +<note id="par_id1002850">For more information on paired t-tests, refer to the <link href="https://en.wikipedia.org/wiki/T-test" name="English Wikipedia: T-test">corresponding Wikipedia article</link>.</note> +<h2 id="hd_id1000160">Data</h2> +<paragraph id="par_id1002860" role="paragraph" xml-lang="en-US"><emph>Variable 1 range</emph>: The reference of the range of the first data series to analyze.</paragraph> +<paragraph id="par_id1002870" role="paragraph" xml-lang="en-US"><emph>Variable 2 range</emph>: The reference of the range of the second data series to analyze.</paragraph> +<paragraph id="par_id1002880" role="paragraph" xml-lang="en-US"><emph>Results to</emph>: The reference of the top left cell of the range where the test will be displayed.</paragraph><embed href="text/scalc/01/stat_data.xhp#grouped"/><embed href="text/scalc/01/stat_data.xhp#datafortests"/> +<h2 id="hd_id1000170">Results for paired t-test:</h2> +<paragraph id="par_id1002890" role="paragraph" xml-lang="en-US">The following table shows the <emph>paired t-test</emph> for the data series above:</paragraph> +<table id="Tabela11"> +<tablerow> +<tablecell> +<paragraph id="par_id1002900" role="tablehead" xml-lang="en-US">paired t-test</paragraph> +</tablecell> +<tablecell> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1002910" role="tablecontent" xml-lang="en-US">Alpha</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1002920" role="tablecontent" xml-lang="en-US" localize="false">0.05</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1002930" role="tablecontent" xml-lang="en-US">Hypothesized Mean Difference</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1002940" role="tablecontent" xml-lang="en-US" localize="false">0</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +</tablecell> +<tablecell> +<paragraph id="par_id1002950" role="tablecontent" xml-lang="en-US">Variable 1</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1002960" role="tablecontent" xml-lang="en-US">Variable 2</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1002970" role="tablecontent" xml-lang="en-US">Mean</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1002980" role="tablecontent" xml-lang="en-US" localize="false">16.9230769231</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1002990" role="tablecontent" xml-lang="en-US" localize="false">20.4615384615</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003000" role="tablecontent" xml-lang="en-US">Variance</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003010" role="tablecontent" xml-lang="en-US" localize="false">125.0769230769</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003020" role="tablecontent" xml-lang="en-US" localize="false">94.4358974359</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003030" role="tablecontent" xml-lang="en-US">Observations</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003040" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003050" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003060" role="tablecontent" xml-lang="en-US">Pearson Correlation</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003070" role="tablecontent" xml-lang="en-US" localize="false">-0.0617539772</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003080" role="tablecontent" xml-lang="en-US">Observed Mean Difference</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003090" role="tablecontent" xml-lang="en-US" localize="false">-3.5384615385</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003100" role="tablecontent" xml-lang="en-US">Variance of the Differences</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003110" role="tablecontent" xml-lang="en-US" localize="false">232.9358974359</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003120" role="tablecontent" xml-lang="en-US">df </paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003130" role="tablecontent" xml-lang="en-US" localize="false">12</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003140" role="tablecontent" xml-lang="en-US">t Stat</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003150" role="tablecontent" xml-lang="en-US" localize="false">-0.8359262137</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003160" role="tablecontent" xml-lang="en-US">P (T<=t) one-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003170" role="tablecontent" xml-lang="en-US" localize="false">0.2097651442</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003180" role="tablecontent" xml-lang="en-US">t Critical one-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003190" role="tablecontent" xml-lang="en-US" localize="false">1.7822875556</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003200" role="tablecontent" xml-lang="en-US">P (T<=t) two-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003210" role="tablecontent" xml-lang="en-US" localize="false">0.4195302884</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003220" role="tablecontent" xml-lang="en-US">t Critical two-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003230" role="tablecontent" xml-lang="en-US" localize="false">2.1788128297</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +</table> +<section id="relatedtopics"> +<embed href="text/scalc/01/stat_data.xhp#otherstat"/> +</section> +</body> +</helpdocument> |