helpcontent2/source/text/scalc/01/statistics_test_f.xhp


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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
<topic id="fteststat" indexer="include" status="PUBLISH">
<title xml-lang="en-US" id="tit">F Test Statistics in Calc</title>
<filename>/text/scalc/01/statistics_test_f.xhp</filename>
</topic>
</meta>
<body>

<bookmark xml-lang="en-US" branch="index" id="bm_id05002">
<bookmark_value>Analysis toolpack;F-test</bookmark_value>
<bookmark_value>F-test;Analysis toolpack</bookmark_value>
<bookmark_value>Data statistics;F-test</bookmark_value>
</bookmark>
<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ttestdialog/TTestDialog" id="bm_id05003" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/ttestdialog/@@nowidget@@" id="@@nowidget@@" localize="false"/>
<section id="ftest">
<h1 id="hd_id1000180"><variable id="ftesth1"><link href="text/scalc/01/statistics_test_f.xhp">F-test</link></variable></h1>
<paragraph id="par_id1003240" role="paragraph" xml-lang="en-US"><ahelp hid="modules/scalc/ui/ttestdialog/TTestDialog">Calculates the F-Test of two data samples.</ahelp></paragraph>
</section>
<section id="howtoget">
<paragraph id="par_id1003250" role="paragraph" xml-lang="en-US"><variable id="sam02">Choose <menuitem>Data - Statistics - F-test</menuitem></variable></paragraph>
</section>
<paragraph id="par_id1003260" role="paragraph" xml-lang="en-US">A <emph>F-test</emph> is any statistical test based on the F-distribution under the null hypothesis.</paragraph>
<note id="par_id1003270">For more information on F-tests, refer to the <link href="https://en.wikipedia.org/wiki/F-test">corresponding Wikipedia article</link>.</note>
<h2 id="hd_id1000190">Data</h2>
<paragraph id="par_id1003280" 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_id1003290" 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_id1003300" 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_id1000200">Results for F-Test:</h2>
<paragraph id="par_id1003310" role="paragraph" xml-lang="en-US">The following table shows the <emph>F-Test</emph> for the data series above:</paragraph>
<table id="Tabela12">
<tablerow>
<tablecell>
<paragraph id="par_id1003320" role="tablecontent" xml-lang="en-US">Ftest</paragraph>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003330" role="tablecontent" xml-lang="en-US">Alpha</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003340" role="tablecontent" xml-lang="en-US" localize="false">0.05</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
</tablecell>
<tablecell>
<paragraph id="par_id1003350" role="tablecontent" xml-lang="en-US">Variable 1</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003360" role="tablecontent" xml-lang="en-US">Variable 2</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003370" role="tablecontent" xml-lang="en-US">Mean</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003380" role="tablecontent" xml-lang="en-US" localize="false">16.9230769231</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003390" role="tablecontent" xml-lang="en-US" localize="false">20.4615384615</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003400" role="tablecontent" xml-lang="en-US">Variance</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003410" role="tablecontent" xml-lang="en-US" localize="false">125.0769230769</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003420" role="tablecontent" xml-lang="en-US" localize="false">94.4358974359</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003430" role="tablecontent" xml-lang="en-US">Observations</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003440" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003450" role="tablecontent" xml-lang="en-US" localize="false">13</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003460" role="tablecontent" xml-lang="en-US">df</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003470" role="tablecontent" xml-lang="en-US" localize="false">12</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003480" role="tablecontent" xml-lang="en-US" localize="false">12</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003490" role="tablecontent" xml-lang="en-US">F</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003500" role="tablecontent" xml-lang="en-US" localize="false">1.3244637524</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003510" role="tablecontent" xml-lang="en-US">P (F&lt;=f) right-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003520" role="tablecontent" xml-lang="en-US" localize="false">0.3170614146</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003530" role="tablecontent" xml-lang="en-US">F Critical right-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003540" role="tablecontent" xml-lang="en-US" localize="false">2.6866371125</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003550" role="tablecontent" xml-lang="en-US">P (F&lt;=f) left-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003560" role="tablecontent" xml-lang="en-US" localize="false">0.6829385854</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003570" role="tablecontent" xml-lang="en-US">F Critical left-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003580" role="tablecontent" xml-lang="en-US" localize="false">0.3722125312</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003590" role="tablecontent" xml-lang="en-US">P two-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003600" role="tablecontent" xml-lang="en-US" localize="false">0.6341228293</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1003610" role="tablecontent" xml-lang="en-US">F Critical two-tail</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003620" role="tablecontent" xml-lang="en-US" localize="false">0.3051313549</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1003630" role="tablecontent" xml-lang="en-US" localize="false">3.277277094</paragraph>
</tablecell>
</tablerow>
</table>
<section id="relatedtopics">
<embed href="text/scalc/01/stat_data.xhp#otherstat"/>
</section>
</body>
</helpdocument>