This quiz: 12 point(s) possible Quiz: Quiz 6 - Ch 11 Question 1 of 3 This question: 5 point(s) possible Submit qui Sample 2 Assume that both populations are normally distributed. Sample 1 a) Test whether H1 > H2 at the a = 0.05 level of significance for the given sample data. n 26 18 X 52.3 42.6 b) Construct a 95% confidence interval about 1 - H2. S 9.8 11.6 Click the icon to view the Student t-distribution table. t= (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to three decimal places as needed.) O A. The critical value is . O B. The lower critical value is . The upper critical value is Should the hypothesis be rejected? the null hypothesis because the test statistic the critical region. b) Construct a 95% confidence interval about #1 - #2- The confidence interval is the range from to]. (Round to two decimal places as needed. Use ascending order.) Time Remaining: 00:20:30 Next