The ages of a random sample of five university professors are 39, 54, 61, 72, and 59
Chapter 8, Problem 8.102(choose chapter or problem)
The ages of a random sample of five university professors are 39, 54, 61, 72, and 59. Using this information, find a 99% confidence interval for the population standard deviation of the ages of all professors at the university, assuming that the ages of university professors are normally distributed.
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