Exercise 8.58 stated that a random sample of 500 measurements on the length of stay in
Chapter 10, Problem 10.34(choose chapter or problem)
Exercise 8.58 stated that a random sample of 500 measurements on the length of stay in hospitals had sample mean 5.4 days and sample standard deviation 3.1 days. A federal regulatory agency hypothesizes that the average length of stay is in excess of 5 days. Do the data support this hypothesis? Use = .05.
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