X1, X2, .., Xa is a random sample from a normal distribution with mean and variance 2.

Question:

X1, X2, .., Xa is a random sample from a normal with mean and variance σ2. Let Xmin and Xmax be the smallest and largest observations in the sample. (a) Is (Xmin + X man)/2) an unbiased estimate for μ? (b) What is the standard error of this estimate? (c) Would this estimate be preferable to the sample mean X? 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...