Question

Suppose that x1 and x2 are random samples of observations from a population with mean m and variance σ2. Consider the following three point estimators, X, Y, Z, of μ:
a. Show that all three estimators are unbiased.
b. Which of the estimators is the most efficient?
c. Find the relative efficiency of X with respect to each of the other two estimators.


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  • CreatedJuly 07, 2015
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