A researcher wishes to study the effect of anew drug on blood pressure. Would you recommend using a z-test, a t-test,or an A.N.O.V.A. for the analysis? Explain your answer. What would yourchoice of test depend on? For the test you select, explain your designand your comparison groups. Would the hypothesis be directional ornon-directional? Would the test be one-tailed or two-tailed? Whatwould be the null and what would be the alternative hypothesis?
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