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<a accesskey="3" href="page.php?w=correlation&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=statistics">statistics</a>, <b>correlation</b> is a type of statistical relationship between two <a href="page.php?w=random_variable">random variable</a>s or <a href="page.php?w=bivariate_data">bivariate data</a>. It usually refers to the extent to which a pair of quantities are <a href="page.php?w=Linear_function_%28calculus%29">linearly related</a>. More generally, an arbitrary relationship between <a href="page.php?w=Latent_and_observable_variables">variables</a> is called an <b>association</b>, meaning the degree to</p><p>
<a accesskey="3" href="page.php?w=correlation&amp;p=2">3.Next</a>
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