Statistics 512 Notes 20: - Wharton Statistics Department

Statistics 512 Notes 21: Sufficiency and Its Implications. ... Let denote the a random sample of size n from a distribution that has pdf or pmf , . A statistic is sufficient for if and only if we can find two nonnegative functions, and such that for all sample points ... suppose that the probability mass function factors as given in the theorem ... ................
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