Thread: sufficient statistic

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Originally Posted by ajax3245

The question is shown in the picture below

What have you tried? Where are you stuck? Reading this might give you some ideas:

http://www.stat.wisc.edu/courses/st312-rich/suff2.pdf

Sufficient statistic - Wikipedia, the free encyclopedia

I don't know how to factorize this result: f(X1,X2...Xn)=k(x)g(T(x),k). If and only if this result is shown can we say we finish the proof.

write the joint density with all zero means and combine the exponents of e.