Peggy constructed the 95 percent confidence interval (4.8,5.2)(4.8,5.2) to estimate the slope of a regression model for a set of bivariate data with 24 data values. Peggy claims that the width of the confidence interval will increase if a sample size of 30 is used, all other things remaining the same. Quincy claims that the width of the confidence interval will decrease if a sample size of 30 is used. Which statement is true about the claims made by Peggy and Quincy? A)Peggy’s claim is correct. B)Quincy’s claim is correct. C)Both Peggy’s claim and Quincy’s claim are correct. D)Neither Peggy’s claim nor Quincy’s claim is correct. E)There is not enough information to determine whether the claims are correct.
Peggy constructed the 95 percent confidence interval (4.8,5.2)(4.8,5.2) to estimate the slope of a regression model for a set of bivariate data with 24 data values. Peggy claims that the width of the confidence interval will increase if a sample size of 30 is used, all other things remaining the same. Quincy claims that the width of the confidence interval will decrease if a sample size of 30 is used. Which statement is true about the claims made by Peggy and Quincy? A)Peggy’s claim is correct. B)Quincy’s claim is correct. C)Both Peggy’s claim and Quincy’s claim are correct. D)Neither Peggy’s claim nor Quincy’s claim is correct. E)There is not enough information to determine whether the claims are correct.
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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Peggy constructed the 95 percent confidence interval (4.8,5.2)(4.8,5.2) to estimate the slope of a regression model for a set of bivariate data with 24 data values. Peggy claims that the width of the confidence interval will increase if a
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A)Peggy’s claim is correct.
B)Quincy’s claim is correct.
-
C)Both Peggy’s claim and Quincy’s claim are correct.
-
D)Neither Peggy’s claim nor Quincy’s claim is correct.
-
E)There is not enough information to determine whether the claims are correct.
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