An estimator μy of the population value μy is more efficient when compared to another estimator , if a. E(My) > E(My).
b. it has a smaller variance.
c. its C. D.F is fatter than that of the other estimator.
d. both estimators are unbiased, and Var(y) < Var(y).

Three years ago, stock tek purchased some five-year macrs property for $82,600. today, it is selling this property for $31,500. how much tax will the company owe on this sale if the tax rate is 34 percent? the macrs allowance percentages are as follows, commencing with year 1: 20.00, 32.00, 19.20, 11.52, 11.52, and 5.76 percent.