Variance/Definition: Difference between revisions
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A statistical measure of the variability of a quantity (defined as the mean of the squares of the deviation of its values from their mean, and expressed mathematically as Var(x)). | A statistical measure of the variability of a quantity (defined as the mean of the squares of the deviation of its values from their mean, and expressed mathematically as Var(x)). | ||
Revision as of 23:36, 22 May 2008
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Variance [r]: A statistical measure of the variability of a quantity (defined as the mean of the squares of the deviation of its values from their mean, and expressed mathematically as Var(x)).