Previous Problem List Next 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 BCDEFGHOJ Test A 81 104...

Extracted text: Previous Problem List Next 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 BCDEFGHOJ Test A 81 104 95 72 112 92 124 114 98 101 Test B 84 110 95 73 112 97 126 112 99 106 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. Matched Pairs OC. Two Sample t (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? OA. No OB. Yes 2. Construct a 95% confidence interval for the mean of the differences. Again, use (Test A- Test B).