Answers for "definition of variance"

7

variance

Var(X) = E(X^2) - (E(X))^2

The mean of the squares subtracted by the square of the mean.
Posted by: Guest on January-05-2021
0

variance

Var(X) = E[(X-mu)^2]
Var(X) = Cov(X,X)
Var(X) = E[X^2]-(E[X])^2
Var(X) = E[(X-E[X])^2]
Posted by: Guest on November-18-2021

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