If V1, V2, , Vn1 and W1, W2, , Wn2 are independent random samples of sizes n1 and n2 from normal populations with the means 1 and 2 and the common variance 2, find maximum likelihood estimators for 1, 2, and 2

Question: If V1, V2, . . . , Vn1 and W1, W2, . . . , Wn2 are independent random samples of sizes n1 and n2

If V1, V2, . . . , Vn1 and W1, W2, . . . , Wn2 are independent random samples of sizes n1 and n2 from normal populations with the means µ1 and µ2 and the common variance σ2, find maximum likelihood estimators for µ1, µ2, and σ2.

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