Please I need help to answer this question, also what is the conclusion based on the result? thanks

Question 57, 9.3.15-T HW Score: 72.02%, 113.08 of 157 points Save Part 1 of 2 Points: 0 of 3 A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval for the mean of the "before - after" differences Does hypnotism appear to be effective in reducing pain? Before 6.5 4.9 11.3 9.8 79 6.8 29 30 After 63 2.4 7.6 8.1 8.5 6.1 3.7 25 . . . . . Construct a 95% confidence interval for the mean of the "before - after" differences. Ha