fourth moment of a normal variable
- From: "oercim" <oercim@xxxxxxxxx>
- Date: 9 Dec 2005 07:30:06 -0800
Hello, let X is normaly distributed random variable with E(X)=0
and VAR(X)=S^2. According to an essay E(X^4)=S^4. There is not a proof
of this equality in the article. Is this equality realy true? How?
Thanks a lot.
.
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