The ___________is a weighted average of the squared deviations of a random variable from its mean.

asked Apr 26, 2018 197k views

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by Ibodi

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Variance

$\mathbb V(X)=\mathbb E((X-\mu)^2)=\displaystyle\sum_(i=1)^n\frac{(x_i-\mu)^2}n$

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