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diff --git a/helpcontent2/source/text/scalc/01/statistics_test_z.xhp b/helpcontent2/source/text/scalc/01/statistics_test_z.xhp new file mode 100644 index 000000000..b54ba44fd --- /dev/null +++ b/helpcontent2/source/text/scalc/01/statistics_test_z.xhp @@ -0,0 +1,188 @@ +<?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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + --> + +<meta> +<topic id="zteststat" indexer="include" status="PUBLISH"> +<title xml-lang="en-US" id="tit">Z Test Statistics in Calc</title> +<filename>/text/scalc/01/statistics_test_z.xhp</filename> +</topic> +</meta> +<body> + +<bookmark xml-lang="en-US" branch="index" id="bm_id05003"> +<bookmark_value>Analysis toolpack;Z-test</bookmark_value> +<bookmark_value>Z-test;Analysis toolpack</bookmark_value> +<bookmark_value>Data statistics;Z-test</bookmark_value> +</bookmark> +<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ztestdialog/ZTestDialog" id="bm_id05004" localize="false"/> +<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ztestdialog/@@nowidget@@" id="bm_id05004" localize="false"/> +<section id="ztest"> + <h1 id="hd_id1000210"><variable id="ztesth1"><link href="text/scalc/01/statistics_test_z.xhp" name="Z-test">Z-test</link></variable></h1> +<paragraph id="par_id1003640" role="paragraph" xml-lang="en-US"><ahelp hid="modules/scalc/ui/ztestdialog/ZTestDialog">Calculates the z-Test of two data samples.</ahelp></paragraph> +</section> +<section id="howtoget"> +<paragraph id="par_id1003650" role="paragraph" xml-lang="en-US"><variable id="sam02">Choose <menuitem>Data - Statistics - Z-test</menuitem></variable></paragraph> +</section> +<note id="par_id1003660">For more information on Z-tests, refer to the <link href="https://en.wikipedia.org/wiki/Z-test" name="English Wikipedia: Z-test">corresponding Wikipedia article</link>.</note> +<h2 id="hd_id1000220">Data</h2> +<paragraph id="par_id1003670" 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_id1003680" 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_id1003690" 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_id1000230">Results for z-Test:</h2> +<paragraph id="par_id1003700" role="paragraph" xml-lang="en-US">The following table shows the <emph>z-Test</emph> for the data series above:</paragraph> +<table id="Tabela13"> +<tablerow> +<tablecell> +<paragraph id="par_id1003710" role="tablecontent" xml-lang="en-US">z-test</paragraph> +</tablecell> +<tablecell> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003720" role="tablecontent" xml-lang="en-US">Alpha</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003730" role="tablecontent" xml-lang="en-US" localize="false">0.05</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003740" role="tablecontent" xml-lang="en-US">Hypothesized Mean Difference</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003750" role="tablecontent" xml-lang="en-US" localize="false">0</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +</tablecell> +<tablecell> +<paragraph id="par_id1003760" role="tablecontent" xml-lang="en-US">Variable 1</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003770" role="tablecontent" xml-lang="en-US">Variable 2</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003780" role="tablecontent" xml-lang="en-US">Known Variance</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003790" role="tablecontent" xml-lang="en-US" localize="false">0</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003800" role="tablecontent" xml-lang="en-US" localize="false">0</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003810" role="tablecontent" xml-lang="en-US">Mean</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003820" role="tablecontent" xml-lang="en-US" localize="false">16.9230769231</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003830" role="tablecontent" xml-lang="en-US" localize="false">20.4615384615</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003840" role="tablecontent" xml-lang="en-US">Observations</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003850" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003860" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003870" role="tablecontent" xml-lang="en-US">Observed Mean Difference</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003880" role="tablecontent" xml-lang="en-US" localize="false">-3.5384615385</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003890" role="tablecontent" xml-lang="en-US">z</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003900" role="tablecontent" xml-lang="en-US">#DIV/0!</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003910" role="tablecontent" xml-lang="en-US">P (Z<=z) one-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003920" role="tablecontent" xml-lang="en-US">#DIV/0!</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003930" role="tablecontent" xml-lang="en-US">z Critical one-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003940" role="tablecontent" xml-lang="en-US" localize="false">1.644853627</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003950" role="tablecontent" xml-lang="en-US">P (Z<=z) two-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003960" role="tablecontent" xml-lang="en-US">#DIV/0!</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +<tablerow> +<tablecell> +<paragraph id="par_id1003970" role="tablecontent" xml-lang="en-US">z Critical two-tail</paragraph> +</tablecell> +<tablecell> +<paragraph id="par_id1003980" role="tablecontent" xml-lang="en-US" localize="false">1.9599639845</paragraph> +</tablecell> +<tablecell> +</tablecell> +</tablerow> +</table> +<section id="relatedtopics"> +<embed href="text/scalc/01/stat_data.xhp#otherstat"/> +</section> +</body> +</helpdocument> |