4 years ago

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

Mathematics

1 answer:

saul85 [17]4 years ago

6 0

Variance

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

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