A recent pilot study tested whether walking daily improved systolic blood pressure. For the three subjects in the Subject Before After D study, their resting systolic blood pressure was measured at the beginning of the study and again after participating in a walking program for 3 weeks. The table shows the results. Use the technology output to answer 130 105 parts a through c. 2 170 135 i) Click the Icon to view the technology output. 3 135 150 O A. The experiment is randomized and the subjects are independent Q B. The experiment is randomized and there is a normal population distribution of difference scores. O C. The experiment is randomized and the subjects are dependent. D. The experiment is randomized and there is a normal sample distribution of difference scores.a. State the hypotheses to which the reported P-value refers. Let u. be the population mean of the differences d = Before - After. Choose the correct answer below. O A. Holly =0 and H.: Ha >0 O B. Ho tly #0 and Hai Hy = Q O C. Ho: Ha = 0 and Ha: He