Question: 16.13 Standard error versus the bootstrap standard error. We have two ways to estimate the standard deviation of a sample mean x : use the

16.13 Standard error versus the bootstrap standard error. We have two ways to estimate the standard deviation of a sample mean x¯ : use the formula s/n for the standard error or use the bootstrap standard error.

a. Find the sample standard deviation s for the 60 IQ test scores in Exercise 16.10 and use it to find the standard error s/n of the sample mean. How closely does your result agree with the bootstrap standard error from your resampling in Exercise 16.10?

b. Find the sample standard deviation s for the time to start a business data in Exercise 16.9 and use it to find the standard error s/n of the sample mean. How closely does your result agree with the bootstrap standard error from your resampling in Exercise 16.9?

c. Find the sample standard deviation s for the eight delivery times in Exercise 16.11 and use it to find the standard error s/n of the sample mean. How closely does your result agree with the bootstrap standard error from your resampling in Exercise 16.11?

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