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experimental Placebo
(n=100) (n=100)
Mean BP 120.2(15.4) (131.4(18.9)

Hypertentive(%) 14 22

side effect (%) 6 8

Trial involve 200 subject,rendomally receiving either medication or placebo. The data collected at the end of trialafter 6 week study.
a) test if there is significance difference in mean systolic blood pressure between group using alpha=0.05
b)test if there is a significant difference in the porporation of hypertensive patients between groups using alpha=0.05.

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