Question: Rth sample moment Q4. For any distribution it is usual convention to denote #, and u, are the r moment of the population about the

Rth sample moment

Q4. For any distribution it is usual convention to denote #, and u, are the r" moment of the population about the arbitrary value and about the mean, then m, and m, denotes the corresponding moments of sample. If n is the size of the sample, then show that vi) Var(m,) =? vii) Cov(m,.m,) =

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