An estimator is unbiased if the mean of its sampling distribution is equal to________.
A) the midpoint of the distribution.
B) the sample mean.
C) the population value.
D) the population median.

Question

Quizplus · Accepted Answer

A biased estimator is one whose expected value is not equal to the true population value. An unbiased estimator, on the other hand, has an expected value equal to the population value. Therefore, the correct choice is C - the population value.

An Estimator Is Unbiased If the Mean of Its Sampling