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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 colege has been widely discussed (Time.com). The following random 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 45.0 32.3 43.0 20.3 22.0 28.2 15.6 24.1 26.5 30.6 46 37.8 22.8 25.8 18.5 25.6 14,4 21.8 50.5 42.0 (a) Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for private colleges. (Round the standard deviation to two decimal places.) thousand thousand sample mean sample standard deviation Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sampie standard deviation thousand (b) What is the point estimate (in thousand dolars) of the difference between the two population means? (use Pivate - Public) thousand Interpret this value in terms of the annual cost (in dollars) of attending private and public colleges more than the mean annual cost to attend public coliege We estimate that the mean annual cost to attend private colleges is s (c) Develop a 95% confidence interval (in thousand dollars) of the difference between the mean annual cost of attending private and public colleges. (Une Private- Public. Round your answers bto one decimal plece.) thousand to S thousand

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 colege has been widely discussed (Time.com). The following random 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 45.0 32.3 43.0 20.3 22.0 28.2 15.6 24.1 26.5 30.6 46 37.8 22.8 25.8 18.5 25.6 14,4 21.8 50.5 42.0 (a) Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for private colleges. (Round the standard deviation to two decimal places.) thousand thousand sample mean sample standard deviation Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sampie standard deviation thousand (b) What is the point estimate (in thousand dolars) of the difference between the two population means? (use Pivate - Public) thousand Interpret this value in terms of the annual cost (in dollars) of attending private and public colleges more than the mean annual cost to attend public coliege We estimate that the mean annual cost to attend private colleges is s (c) Develop a 95% confidence interval (in thousand dollars) of the difference between the mean annual cost of attending private and public colleges. (Une Private- Public. Round your answers bto one decimal plece.) thousand to S thousand

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 colege has been widely discussed (Time.com). The following random 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 45.0 32.3 43.0 20.3 22.0 28.2 15.6 24.1 28.5 30.6 46 37.8 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 colleges. (Round the standard deviation to two decimal places.) thousand thousand sample mean sample standard deviation Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sampie standard deviation thousand (b) What is the point estimate (in thousand dolars) of the difference between the two population means? (use Pivate - Public) thousand Interpret this value in terms of the annual cost (in dollars) of attending private and public coleges more than the mean annual cost to attend public colege We estimate that the mean annual cost to attend private colleges is s (c) Develop a 95% confidence interval (in thousand dollars) of the difference between the mean annual cost of attending private and public colleges. (Use Private- Public. Round your answers bto one decimal plece.) thousand to s thousand
Transcribed Image Text: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 colege has been widely discussed (Time.com). The following random 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 45.0 32.3 43.0 20.3 22.0 28.2 15.6 24.1 28.5 30.6 46 37.8 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 colleges. (Round the standard deviation to two decimal places.) thousand thousand sample mean sample standard deviation Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sampie standard deviation thousand (b) What is the point estimate (in thousand dolars) of the difference between the two population means? (use Pivate - Public) thousand Interpret this value in terms of the annual cost (in dollars) of attending private and public coleges more than the mean annual cost to attend public colege We estimate that the mean annual cost to attend private colleges is s (c) Develop a 95% confidence interval (in thousand dollars) of the difference between the mean annual cost of attending private and public colleges. (Use Private- Public. Round your answers bto one decimal plece.) thousand to s thousand
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