To find the 95% confidence interval for the population standard deviation, you r

Question

To find the 95% confidence interval for the population standard deviation, you randomly sample with replacement from the original sample, thousands of times. From each new sample, you compute the sample standard deviation. Using the bootstrap method, how can you find the confidence interval for the population standard deviation from these values?

A. Use the 1st and 96th percentiles of these values.

B. Use the 5th and 90th percentiles of these values.

C.Use the 0th and 95th percentiles of these values.

D.Use the 2.5th and 97.5th percentiles of these values.

Explanation / Answer

D.Use the 2.5th and 97.5th percentiles of these values.

So that we cover 95% middle percentile symmetric about 50%.

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