In 2003, the Accreditation Council for Graduate Medical Education (ACGME) implemented new rules limiting work hours for all residents. A key component of these rules is that residents should work no more than 80 hours per week. The following is the number of weekly hours worked in 2017 by a sample of residents at the Tidelands Medical Center. 85 84 89 88 79 87 80 90 85 86 79 80 picture Click here for the Excel Data File What is the point estimate of the population mean? (Round your answer to 2 decimal places.) Develop a 99% confidence interval for the population mean. (Use t Distribution Table.) (Round your answers to 2 decimal places.) Is the council's claim that the "typical resident" works 80 per month reasonable? Yes No
For the given data
mean = 84.3333
s.d = 3.9619
Solution :
point estimate = 84.33
99% confidence interval :
Answer : 99% confidence interval is =(80.778,87.882)
Answer : No because the C.I does not contain 80
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