What is a sample statistic such that the mean of all its possible values differs from the population parameter that the statistic seeks to estimate?
A) an efficient estimator
B) an inconsistent estimator
C) a biased estimator
D) a Bayesian estimator

Question

Quizplus · Accepted Answer

A biased estimator is one that consistently either overestimates or underestimates the population parameter being estimated. This means that the mean of all its possible values would differ from the population parameter it seeks to estimate. The other options do not necessarily imply that the mean of all possible values would differ from the true population parameter.

What Is a Sample Statistic Such That the Mean of All