Repeat parts (b) and (c) of Exercise 7.41 for samples of size 4. For part (b), use your answer to Exercise 7.14(b).
b. Consider samples of size 2 without replacement. Use your answer to Exercise 7.11(b) on page 284 and Definition 3.11 on page 128 to find the mean, μx-bar, of the variable x-bar.
c. Find μx-bar, using only the result of part (a).