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## Main Question or Discussion Point

Hello,

I was wondering if anyone knew how to find a moment generating function about the mean. What I want is a function whose power series expansion gives you a power series where the x^n coefficient is the nth moment about the mean. normally, moment generating functions give you the raw moment (moment about 0). I'd like to convert these to moments about the mean.

Thanks for your help!

I was wondering if anyone knew how to find a moment generating function about the mean. What I want is a function whose power series expansion gives you a power series where the x^n coefficient is the nth moment about the mean. normally, moment generating functions give you the raw moment (moment about 0). I'd like to convert these to moments about the mean.

Thanks for your help!