A large private university and a large public university selected random sample of incoming freshman and determined the proportion that were in the top 10% of their graduating class. Let p1 be the proportion of all entering freshmen at the private university who graduated in the top 10% of their high school class and let p2 be the proportion of all entering freshmen at the public university who graduated in the top 10% of their high school class. A 95% confidence interval for p1 - p2 is (0.088, 0.126).
A large private university and a large public university selected random sample of incoming freshman and determined the proportion that were in the top 10% of their graduating class. Let p1 be the proportion of all entering freshmen at the private university who graduated in the top 10% of their high school class and let p2 be the proportion of all entering freshmen at the public university who graduated in the top 10% of their high school class. A 95% confidence interval for p1 - p2 is (0.088, 0.126).
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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A large private university and a large public university selected random sample of incoming freshman and determined the proportion that were in the top 10% of their graduating class. Let p1 be the proportion of all entering freshmen at the private university who graduated in the top 10% of their high school class and let p2 be the proportion of all entering freshmen at the public university who graduated in the top 10% of their high school class. A 95% confidence interval for p1 - p2 is (0.088, 0.126).
(a) What is the point estimate that was used to create the interval? What is the margin of error?
b) Interpret the confidence level.
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