Show transcribed image text (1 pt) Ten randomly selected people took an IQ test A, and next day they took a very similar lQ test B. Their scores are shown in the table below. Person A B C DEFG HI.J Test A 879610096 89 108114 125 73 112 Test B 8994 10597 88 109 111 12874111 1. Consider (Test A – Test B) Use a 0.01 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? 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 test? A. No B. Yes 2 Construct a 99% confidence interval for the mean of the differences. Again use est A Test B
(1 pt) Ten randomly selected people took an IQ test A, and next day they took a very similar lQ test B. Their scores are shown in the table below. Person A B C DEFG HI.J Test A 879610096 89 108114 125 73 112 Test B 8994 10597 88 109 111 12874111 1. Consider (Test A – Test B) Use a 0.01 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? 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 test? A. No B. Yes 2 Construct a 99% confidence interval for the mean of the differences. Again use est A Test B
