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Explain how to calculate variance of distribution in probability?

Asked by 11th June 2008, 10:19 AM
Answered by 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 Expert 11th September 2008, 12:42 PM
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