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<!DOCTYPE html>
<html>
<head>
<title>T.DIST Function</title>
<meta charset="utf-8" />
<meta name="description" content="" />
<link type="text/css" rel="stylesheet" href="../editor.css" />
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<script type="text/javascript" src="../callback.js"></script>
<script type="text/javascript" src="../search/js/page-search.js"></script>
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</head>
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<div class="mainpart">
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<div class="search-field">
[DE][PE][SSE] replaced type="search" with type="text" for all the pages of documentation (Chrome search field cross bug)
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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>T.DIST Function</h1>
<p>The <b>T.DIST</b> function is one of the statistical functions. Returns the Student's left-tailed t-distribution. 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>
<p>The <b>T.DIST</b> function syntax is:</p>
<p style="text-indent: 150px;"><b><em>T.DIST(x, deg-freedom, cumulative)</em></b></p>
<p><em>where</em></p>
<p style="text-indent: 50px;"><b><em>x</em></b> is the value at which the function should be calculated.</p>
<p style="text-indent: 50px;"><b><em>deg-freedom</em></b> is the number of degrees of freedom, an integer greater than or equal to 1.</p>
<p style="text-indent: 50px;"><b><em>cumulative</em></b> is a logical value (TRUE or FALSE) that determines the function form. If it is TRUE, the function returns the cumulative distribution function. If it is FALSE, the function returns the probability density function.</p>
<p>The values can be entered manually or included into the cells you make reference to.</p>
<p>To apply the <b>T.DIST</b> function,</p>
<ol>
<li>select the cell where you wish to display the result,</li>
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<li>click the <b>Insert function</b> <img alt="Insert function icon" src="../images/insertfunction.png" /> icon situated at the top toolbar,
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<br />or right-click within a selected cell and select the <b>Insert Function</b> option from the menu,
<br />or click the <img alt="Function icon" src="../images/function.png" /> icon situated at the formula bar,
</li>
<li>select the <b>Statistical</b> function group from the list,</li>
<li>click the <b>T.DIST</b> function,</li>
<li>enter the required arguments separating them by commas,</li>
<li>press the <b>Enter</b> button.</li>
</ol>
<p>The result will be displayed in the selected cell.</p>
<p style="text-indent: 150px;"><img alt="T.DIST Function" src="../images/t-dist.png" /></p>
</div>
</body>
</html>
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