A random sample of size is drawn from the pdf, , I can show that is not sufficient by an example, but I am having a hard time showing that is sufficient.
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So I got that the , but I can't seem to factor this out of Hope this helps clarify my question.
It's sufficient by the Factorization Theorem. , should be rewritten with indicators. BUT you need a sample here
I am not familiar with what you mean with ? Thanks for your help.
Indicator/characteristic function : if is indeed . 0 otherwise.
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