The expectation of X---E(X) and the variance of X---VAR(X) has been given, but no other more condition, can we solve the variance of X^2---VAR(X^2)? Thank you for your help！

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- Jun 13th 2011, 10:39 AMlyb66how to get the variance of X^2
The expectation of X---E(X) and the variance of X---VAR(X) has been given, but no other more condition, can we solve the variance of X^2---VAR(X^2)? Thank you for your help！

- Jun 13th 2011, 01:24 PMmr fantasticRe: how to get the variance of X^2