Question: Refer to Exercise 7.6 on page 283. Population data: 3, 4, 7, 8. a. Use your answers from Exercise 7.6(b) to determine the mean, x-bar,

Refer to Exercise 7.6 on page 283.
Population data: 3, 4, 7, 8.
a. Use your answers from Exercise 7.6(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 7.6(a).

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