A medical research group is interested in comparing the effectiveness of two new

Question

A medical research group is interested in comparing the effectiveness of two new medications in reducing cholesterol levels in adult males ranging in age from 35-65 years of age who have exhibited elevated cholesterol levels for at least six months. Four hundred men with elevated cholesterol levels in this age group were randomly selected in New York City and 340 men were randomly selected in Philadelphia. It is suspected that results will differ greatly between the two cities due to a recent 'heart health' initiative in Philadelphia. Describe a randomized block design to conduct this experiment.

Explanation / Answer

Take the 400 New York men and divide then randomly into 3groups (control, Med 1 , Med 2) Do the same with the 340 Philadelphia men dividethen randomly into 3 groups (control, Med 1 , Med 2) That way the effect of Philadelphia new program effectsall three groups equally

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