If the expected value of a sample statistic is equal to the parameter it is estimating,then we call that sample statistic
A)unbiased.
B)minimum variance.
C)biased.
D)random.

Question

Quizplus · Accepted Answer

If the expected value of a sample statistic is equal to the parameter it is estimating, then we call that sample statistic unbiased. This means that the sample statistic is as accurate as possible in estimating the parameter, and there is no systematic error or bias in the estimation process.

If the Expected Value of a Sample Statistic Is Equal