5. (10pts) To test the claim that a blood pressure medication reduces the diastolic blood pressure, a random sample of 10 people with high blood pressure had their pressures recorded. After a few weeks on the medication, their pressures were recorded again. Subject 2 3 4 5 6 7 8 9 10 Before 94 87 105 92 102 85 110 95 92 93 After 87 88 93 87 92 88 96 87 92 86 a) Use a .05 level of significance to test the claim that the medicine lowered mean diastolic blood pressure