Question

A medical resident is convinced that, on average, residents at his hospitals work for over 3 hours more per week than residents at other hospitals. Suppose that he finds that a random sample of 30 residents at his hospital works an average of 74.3 hours per week with a standard deviation of 2.6 hours. He also surveys a random sample of 30 residents working at other hospitals and finds they worked an average of 70.1 hours per week with a standard deviation of 2.9 hours. Do the data support the resident’s belief? Test the relevant hypotheses at a significance level of 0.05.deviation of 2.6 hours. He also surveys a random sample of 30 residents working at other hospitals and finds they worked an average of 70.1 hours per week with a standard deviation of 2.9 hours. Do the data support the resident’s belief? Test the relevant hypothe

Answer 1