Asked by Steven
A hospital claims that the mean waiting time at its emergency room is 25 minutes. A random sample of 16 patients produced a mean wait time of 27.5 minutes with a standard deviation of 4.8 minutes. Use the 1% level of significance to test is the wait time is different from 25 minutes. Assume that wait time is normally distributed. Use the 5 step procedure.
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Answered by
Prabath
60
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