Question: You may need to use the appropriate appendix table or technology to answer this question. A simple random sample with n = 56 provided a

You may need to use the appropriate appendix table or technology to answer this question. A simple random sample with n = 56 provided a sample mean of 24.5 and a sample standard deviation of 4.4. (Round your answers to one decimal place.) (a) Develop a 90% confidence interval for the population mean.

What happens to the margin of error and the confidence interval as the confidence level is increased?

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