20 20 28 16 11 17 23 16 22 18 10 22 29 19 32
A) Compute a 95% confidence interval estimate for the population mean number of miles that residents of Detroit travel per day in a car.
B) What assumption must you make in order to calculate the confidence interval in part A?
C) Suppose it is desired to estimate the population mean number of miles with a margin of error of ± 2 miles at 95% confidence. Do the data provide this desired level of precision? What action, if any, would you recommend be taken?
Recently Asked Questions
- You are......... My fire. The one desire. Believe when I say, I want it that way.... But we are two worlds apart... can't reach to your heart. When you say
- On balance, do you think Australian culture sees secularism as ‘normal’?
- I need to prepare a tax Form 1120 for a fictitious company. Please help. Thank you!