Refer to Exercise 26.
a. Generate 10,000 bootstrap samples from the data in Exercise 26. Find the bootstrap sample mean percentiles that are used to compute a 99% confidence interval.
b. Compute a 99% bootstrap confidence interval for the mean compressive strength, using method 1 as described on page 391.
c. Compute a 99% bootstrap confidence interval for the mean compressive strength, using method 2 as described on page 391.
(a) Answers may vary somewhat from the 0.5 and 99.5 percentiles in Exercise 26 parts (c) and (d).
(b) Answers may vary somewhat from the answer to Exercise 26 part (c).
(c) Answers may vary somewhat from the answer to Exercise 26 part (d).
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