Given 
is an estimator of the
population mean μ, where X 1and X 2 are from the same distribution
with mean μ and standard deviation σ.
1. Find the following:
a. E ( Θ ^ )
b. B i a s ( Θ ^ )
c. Is Θ ^ a biased estimator of μ? Please briefly explain your answer.
d. V ( Θ ^ )
e. MSE ( Θ ^ )
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