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In an experiment to see if aspirin reduces the chance of having a heart attack, a placebo is:

a) the place where the subjects go when they have a heart attack

b) a dummy pill that loooks like aspirin but has no active ingredients

c) a procedure for deciding who gets the aspirin treatment

d) the sampling method

e) the randomization procedure

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91009812

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