Assume the population standard deviation is 95 sec

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Reference no: EM13625818

Randomly selected statistics students of the author participated in an experiment to test their ability to determine when 1 min ( 60 Sec) has passed. Forty students yielded a sample mean of 58.3 sec. Assume the population standard deviation is 9.5 sec. Construct a 90% confidence interval estimate of the population mean of all statistics students. List the margin of error and critical value. Interpret the confidence interval.

Reference no: EM13625818

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