Chapter 7.1, Problem 23E

To determine

To Explain: to someone who knows little about statistics that it means to say that $\overline{x}$ is an

Unbiased estimator of $\mu$

Answer to Problem 23E

The average of all possible $\overline{x}$ values is equal to $\mu$

Explanation of Solution

  $\overline{x}$ is an unbiased estimator of $\mu$ if the average of all possible value of $\overline{x}$ is equal to $\mu$ (or extreme close to $\mu$ ).