Ten randomly selected people took an 1Q test A, and next day they took a very similar IQ test B. Their scores are shown in the table below. Person A BCDEFGHI Test A 76 118 112 103 9299 82 126 96 104 Test B 75 119 112 107 95 99 85 12798109 1. Consider (Test A- Test B). Use a 0.01 signitficance level to test the claim that people do better on the second test than they do on the first (Note: You may wish to use software) (a) What test method should be used? A. Two Samplez B. Two Samplet C. Matched Pairs (b) The test statistic is (c) The critical value is (d) is there sufficient evidence to support the claim that people do better on the second test? A. Yes OB. No 2. Construct a 99% confidence interval for the mean of the differences. Again, use (Test A-Test B).
Ten randomly selected people took an 1Q test A, and next day they took a very similar IQ test B. Their scores are shown in the table below. Person A BCDEFGHI Test A 76 118 112 103 9299 82 126 96 104 Test B 75 119 112 107 95 99 85 12798109 1. Consider (Test A- Test B). Use a 0.01 signitficance level to test the claim that people do better on the second test than they do on the first (Note: You may wish to use software) (a) What test method should be used? A. Two Samplez B. Two Samplet C. Matched Pairs (b) The test statistic is (c) The critical value is (d) is there sufficient evidence to support the claim that people do better on the second test? A. Yes OB. No 2. Construct a 99% confidence interval for the mean of the differences. Again, use (Test A-Test B).
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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Transcribed Image Text:Ten randomly selected people took an 1Q test A, and next day they took a very similar IQ test B. Their scores are shown in the table below.
Person A BCDEFGHIJ
Test A 76 118 112 10392 99 82 126 06 104
Test B 75 119 112 107 95 99 85 127 98/109
1. Consider (Test A- Test B). Use a 0.01 signitficance level to test the claim that people do better on the second test than they do on the first. (Note: You
may wish to use software)
(a) What test method should be used?
A. Two Sample z
B. Two Sample t
C. Matched Pairs
(b) The test statistic is
(c) The critical value is
(d) is there sufficient evidence to support the claim that people do better on the second tent?
A. Yes
OB. No
2. Construct a 99% confidence interval for the mean of the differences. Again, use (Test A- Test B).
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