Refer to Exercise 26. a. Generate 10,000 bootstrap samples from the data in Exercise 26. Find the
Question:
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 390.
c. Compute a 99% bootstrap confidence interval for the mean compressive strength, using method 2 as described on page 390.
Refer to Exercise 26.
A sample of seven concrete blocks had their crushing strength measured in MPa. The results were
Ten thousand bootstrap samples were generated from these data, and the bootstrap sample means were arranged in order. Refer to the smallest mean as Y1, the second smallest as Y2, and so on, with the largest being Y10,000. Assume that Y50 = 1283.4, Y51 = 1283.4, Y100 = 1291.5, Y101 = 1291.5, Y250 = 1305.5, Y251 = 1305.5, Y500 = 1318.5, Y501 = 1318.5, Y9500 = 1449.7, Y9501 = 1449.7, Y9750 = 1462.1, Y9751 = 1462.1, Y9900 = 1476.2, Y9901 = 1476.2, Y9950 = 1483.8, and Y9951 = 1483.8.
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