Central moments of E[(x³ + 7x²)³]

tuanle007 · Apr 22, 2008

can someone help me with this problem?

E[(x^3 + 7x^2)^3]
what is the central moments?

mij=E[(x-xbar)^i * (y-ybar)^j]

Pere Callahan · Apr 22, 2008

Welcome to PF

If you don't specify what exactly you want to know, where your problem lies, I cannot help you - and don't want to.

A good thing to start would be to tell something about the distribution of what you called X ...or Y ...

Central moments of E[(x³ + 7x²)³]

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