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 2016 by a sample of residents at the Tidelands Medical Center.
78 86 86 79 84 79 89 86 86 84 79 81
What is the point estimate of the population mean?
Develop a 98% confidence interval for the population mean
Is the company's claim that the "typical customer" spends $80 per month reasonable?