Difference between revisions of "Variance"

Revision as of 19:16, 27 August 2020

Variance

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-In probability theory and statistics, the ''variance'' is used as a measure of how far a set of numbers are spread out from each other. It is one of several descriptors of a probability distribution, describing how far the numbers lie from the mean (expected value). In particular, the variance is one of the moments of a distribution.
+Variance
+[[Category:math]]
-<math>{Var}(X) = {E}[(X - \mu)^2]</math>
-[[Category:mbi]]