Determine a 99% confidence interval for using the data in Exercise 9.49. Data from in Exercise

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Determine a 99% confidence interval for μ using the data in Exercise 9.49.

Data from in Exercise 9.49

Measurements of the amount of suspended solids in river water on 14 Monday mornings yield x̅ = 47 and s = 9.4 mg/ 1. Obtain a 95% confidence interval for the mean amount of suspended solids. State any assumption you make about the population.

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