Suppose a random sample of size n is taken from a normal distribution with mean and variance 2 , where 2 is known Compare the Cramr Rao lower bound for f Y (y ) with the variance of Y Is Y an efficient estimator for i 1...

Suppose a random sample of size n is taken from a normal distribution with mean and

Question:

Suppose a random sample of size n is taken from a normal distribution with mean μ and variance σ², where σ² is known. Compare the Cramér-Rao lower bound for f_Y(y; μ) with the variance of ˆμ = Y̅ = . Is Y an efficient estimator for μ?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...