80-89 mmHg). A total of 15 patients with pre-hypertension enrolled in the study, and their systolic blood pressures were measured. Each patient then participates in an exercise training program where they learn proper techniques and execution of a series of exercises. Patients are instructed to do the exercise program three times per week
Situational Problem: A study is run to evaluate the effectiveness of an exercise program in reducing systolic blood pressure in patients with pre-hypertension (defined as systolic blood pressure between 120-139 mmHg or diastolic blood pressure between 80-89 mmHg). A total of 15 patients with pre-hypertension enrolled in the study, and their systolic blood pressures were measured. Each patient then participates in an exercise training program where they learn proper techniques and execution of a series of exercises. Patients are instructed to do the exercise program three times per week for six weeks. After six weeks, systolic blood pressures are again measured.
Question: What type of nonparametric test should be used to evaluate the effectiveness of an exercise program in reducing systolic blood pressure?
(note: justify your answer)
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