Ten randomly selected people took an IQ test A, and next day they took a very similar 1Q test B. Their scores are shown in the table below. Person A BCDEFGHIJ Test A84799611796111108 12291103 Test B87819712194110111 12391 105 1. Consider (Test A - Test B). Use a 0.05 significance 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? OA. Two Sample z OB. 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 95% confidence interval for the mean of the differences. Again, use (Test A - Test B).
Ten randomly selected people took an IQ test A, and next day they took a very similar 1Q test B. Their scores are shown in the table below. Person A BCDEFGHIJ Test A84799611796111108 12291103 Test B87819712194110111 12391 105 1. Consider (Test A - Test B). Use a 0.05 significance 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? OA. Two Sample z OB. 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 95% 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 IQ test A, and next day they took a very similar IQ test B. Their scores are shown in the table below.
Person A BCD EFGHIJ
Test A847996 11796111108 12291103
Test B87819712194110111 12391 105
1. Consider (Test A - Test B), Use a 0.05 significance 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?
OA. Two Sample z
OB. 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 95% confidence interval for the mean of the differences. Again, use (Test A - Test B).
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