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Question 13 If n=25, a(x-bar)=32, and s=9, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population.

Question 13 If n=25, a(x-bar)=32, and s=9, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place.

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