Question: Let ? 1 , ..., ? ? be a random sample (i.e., independent and identically distributed) from? (?, ? 2 ). Find the mean and

  1. Let ?1, ..., ?? be a random sample (i.e., independent and identically distributed) from? (?, ?2).

  1. Find the mean and variance of

Let ? 1 , ..., ? ? be a random sample (i.e.,
E 2 1 S = i=1 n-1

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