(1 point) 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 B C D E F G H I J Test A 108 117 123 94 84 88 96 73 105 100 Test B 111 117 125 92 87 90 95 73 110 102 1. Use a 0.05 significance level to test the claim that people do better on the second test than they do on the first. The test statistic is The critical vaue is Is there sufficient evidence to support the claim that people do better on the second test? O A. Yes O B. No 2. Construct a 95% confidence interval for the population mean of all differences, Test A - Test B