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From: "Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid>
Newsgroups: comp.soft-sys.matlab
Subject: Re: statistics
Date: Sat, 2 Feb 2008 17:48:01 +0000 (UTC)
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"Hesham " <heltaher.nospam@mathworks.com> wrote in message <fo26im
$q2g$1@fred.mathworks.com>...
> Hi all,
> I am looking for an approximation a formula for calculating
> the mean and variance of x , x^2 , x^3 , x^4 , when x is a
> random variable with normal distribution with ux & varx.
> If someone can help, please do.
> Thanks
> Hesham
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See http://en.wikipedia.org/wiki/Normal_distribution#Moments