With reference to Exercise 10 21, find the efficiency of the estimator of part (a) with Iuml 1 2 relative to this estimator with In exercise If 1 is the mean of a random sample of size n from a normal population with the mean micro and the variance Iuml 21, 2 is the mean of a random sample of size n from a normal population with the mean micro and the variance Iuml 22, and the two samples are independent W 3D ,2

Question: With reference to Exercise 10.21, find the efficiency of the estimator of part (a) with Ï = 1/2 relative to this estimator with In exercise

With reference to Exercise 10.21, find the efficiency of the estimator of part (a) with Ï‰ = 1/2 relative to this estimator with

In exercise
If 1 is the mean of a random sample of size n from a normal population with the mean µ and the variance Ïƒ21, 2 is the mean of a random sample of size n from a normal population with the mean µ and the variance Ïƒ22, and the two samples are independent.

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