Question: a. Use the sample data from Exercise 9 to construct a 95% confidence interval estimate of the population standard deviation. b. Use the sample data

a. Use the sample data from Exercise 9 to construct a 95% confidence interval estimate of the population standard deviation.

b. Use the sample data from Exercise 9 to construct a 95% confidence interval estimate of the population variance.


Exercise 9

a. What is the best point estimate of the mean weight of glass discarded by households in a week?

b. Construct a 95% confidence interval estimate of the mean weight of glass discarded by all households.

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