8. The main trial in problem 7 is conducted and involves a total
8. The main trial in problem 7 is conducted and involves a total of
200 patients. Patients are enrolled and randomized to receive either the experimental medication or the placebo. The data shown in the table 7-55 are collected at the end of the study after 6 weeks on the assigned treatments.
a. Test if there is a significant difference in means systolic blood pressures between groups using a=0.05
b. Test if there is significant difference in the proportions of hypertensive patients between groups using a=0.05 Please show your work
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