Question: a) Suppose two independent random samples X1, X2, . .., X, and Y1, Yz, ..., Yn are drawn from 2 populations with respective means /

a) Suppose two independent random samples X1, X2, . .., X,

a) Suppose two independent random samples X1, X2, . .., X, and Y1, Yz, ..., Yn are drawn from 2 populations with respective means / and M2. and variances of and o2. Find the sampling distribution of the difference of sample means X and Y. (6

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