Refer to Exercise 7.3 on page 283.
Population data: 1, 2, 3.
a. Use your answers from Exercise 7.3(b) to determine the mean, μx-bar, of the variable x-bar for each of the possible sample sizes.
b. For each of the possible sample sizes, determine the mean, μx-bar, of the variable x-bar, using only your answer from Exercise 7.3(a).