Explain how to calculate variance of distribution in probability?

Asked by  | 11th Jun, 2008, 10:19: AM

Expert Answer:

variance in a probability distribution can be calculated using the formula

Var(X) = summation of ( X- E(X) )2

where X is a random variable

E(X) is the expection of X

and Var(X) is variance of X

Answered by  | 11th Sep, 2008, 12:42: PM

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