Question: Exercise 7.12 If X has the 2 distribution with n degrees of freedom, show that E(Xk ) = 2k (k + 1 2 n) (

Exercise 7.12 If X has the χ2 distribution with n degrees of freedom, show that E(Xk ) = 2k Ŵ(k + 1 2 n)

Ŵ( 1 2n)

for k = 1, 2,

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