Stats help

[-/8.33 Points] DETAILS ASWSBE14 10.E.013. MY NOTES ASK YOUR TE You may need to use the appropriate appendix table or technology to answer this question. The increasing annual cost (including tuition, room, board, books, and fees) to attend college has been widely discussed (Ti samples show the annual cost of attending private and public colleges. Data are in thousands of dollars. Private Colleges Public Colleges 52.8 43.2 44.0 34.3 44.0 20.3 22.0 28.2 15.6 24.1 28.5 30.6 45.8 36.8 50.5 42.0 22.8 25.8 18.5 25.6 14.4 21.8 (a) Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for private college two decimal places.) sample mean thousand sample standard deviation $ thousand Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. two decimal places.) sample mean thousand sample standard deviation $ thousand (b) What is the point estimate (in thousand dollars) of the difference between the two population means? (Use Private - Publi $ thousand Interpret this value in terms of the annual cost (in dollars) of attending private and public colleges. We estimate that the mean annual cost to attend private colleges is $ more than the mean annual cost to at (c) Develop a 95% confidence interval (in thousand dollars) of the difference between the mean annual cost of attending privat Private - Public. Round your answers to one decimal place.) $ thousand to $ thousand