Re: Var(X^2)
- From: Ray Koopman <koopman@xxxxxx>
- Date: Wed, 10 Dec 2008 22:47:31 -0800 (PST)
On Dec 10, 5:36 pm, Abelian <abelian1...@xxxxxxxxx> wrote:
X is a random variable, if E(X) and Var(X) are known, can i utilize
those two to replace the Var(X^2).
Thanks a lot.
No. Var(X^2) also involves E(X^4).
.
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