Please answer all the questions

Section 11.2 - Wilxocon signed-rank test 2) A physician claims that a person's diastolic blood pressure can be lowered by listening to a relaxation tape each evening. Ten subjects are randomly selected and their blood pressures are measured. The 10 patients then listen to the tapes each evening for one month. At the end of the month, their blood pressures are measured again. The data (in mm Hg) are listed below. Use the Wilcoxon signed-rank test to test the physician's claim. Use a = 0.05. Patient 1 2 3 4 5 6 7 8 8 9 10 Before 83 82 99 86 90 80 91 94 92 81 After 80 76 99 78 84 69 94 84 88 65 You must show all work and include all steps and obtain accurate results