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Mathematics, 05.12.2019 18:31 tykeria58
Amedical 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.
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