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48 lines
2.7 KiB
HTML
48 lines
2.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>TDIST Function</title>
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<meta charset="utf-8" />
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<meta name="description" content="" />
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<script type="text/javascript" src="../callback.js"></script>
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<script type="text/javascript" src="../../../../../../common/main/resources/help/search/js/page-search.js"></script>
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</head>
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<body>
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<div class="search-field">
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<input id="search" class="searchBar" placeholder="Search" type="text" onkeypress="doSearch(event)">
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</div>
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<h1>TDIST Function</h1>
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<p>The <b>TDIST</b> function is one of the <a href="../UsageInstructions/InsertFunction.htm#statistical" onclick="onhyperlinkclick(this)">statistical functions</a>. Returns the Percentage Points (probability) for the Student t-distribution where a numeric value (<b><em>x</em></b>) is a calculated value of t for which the Percentage Points are to be computed. The t-distribution is used in the hypothesis testing of small sample data sets. Use this function in place of a table of critical values for the t-distribution.</p>
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<h3>Syntax</h3>
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<p><b><em>TDIST(x, deg_freedom, tails)</em></b></p>
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<p>The <b>TDIST</b> function has the following arguments:</p>
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<table style="width: 40%">
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<tr>
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<th style="background-color: #f4f4f4" width="150ch"><b>Argument</b></th>
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<th style="background-color: #f4f4f4"><b>Description</b></th>
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</tr>
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<tr>
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<td><b><em>x</em></b></td>
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<td>The value at which the function should be calculated. A numeric value greater than 0.</td>
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</tr>
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<tr>
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<td><b><em>deg_freedom</em></b></td>
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<td>The number of degrees of freedom, an integer greater than or equal to 1.</td>
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</tr>
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<tr>
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<td><b><em>tails</em></b></td>
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<td>A numeric value that specifies the number of distribution tails to return. If it is set to 1, the function returns the one-tailed distribution. If it is set to 2, the function returns the two-tailed distribution.</td>
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</tr>
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</table>
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<h3>Notes</h3>
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<p><a href="../UsageInstructions/InsertFunction.htm#applyfunction" onclick="onhyperlinkclick(this)">How to apply</a> the <b>TDIST</b> function.</p>
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<h3>Examples</h3>
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<p>The figure below displays the result returned by the <b>TDIST</b> function.</p>
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<p><img alt="TDIST Function" src="../images/tdist.png" /></p>
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</div>
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</body>
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</html> |