Question

A report by the US- Heath Stats national body indicates that the HDL cholesterol of years old is u- 47. A family physician wants to find out more about the average HDL of her patients in this age range and randomly selects 15 fitting that description. She collects the following data: (Assume o- 11.75) 2. males 18-18 HDL Measure 48 47 46 71 12 14 Use the data to compute the point estimate for the population mean in this scenario. (show all work) a) If we assume the data is normally distributed, despite the sample size: Construct a 95% confidence interval for u. b) c) Interpret this interval d) IF the doctor wanted a more precise confidence interval, what would you suggest?

Answer 1