L1eeallamainglever L1eeallamainglever

17-02-2017
Mathematics

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

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LammettHash LammettHash

17-02-2017

Variance

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

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