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mean-square deviation |
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mean-square deviation [′mēn ′skwer dē·vē′ā·shən] (statistics) A measure of the extent to which a collectionv1,v2, …,vnof numbers is unequal; it is given by the expression (1/n)[(v1- v̄)2+ ⋯ + (vn- v̄)2], where v̄ is the mean of the numbers. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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