3. A study was conducted to investigate the effectiveness of hypnotism in reducing pain. Results for randomly selected subjects are shown below. A lower score indicates less pain. Test at a 5%% significance level. Subjects A B C D E F G H I Before 6.6 6.5 9.0 10.3 11.3 8.1 6.3 11.6 7.3 After 6.8 2.4 7.4 8.5 8.1 6.1 3.4 2.0 15.5 Difference a. Hypotheses are: ? (Make sure to include the order that you computed the difference.) b. Find: d & Sd-. c. Test statistic? Include the computing formula. The. d. Approximate the p-value? 2 e. Include a graph that shows the relative position of the sample outcome and shade the area corresponding to the p- value. Make sure that the horizontal axis is scaled. f. Decision? g. Conclusion? Accept H Reject H. Circle one of the two choices above