A clinical trial is carried out for a new cholesterol-lowering drug. The drug is given to 500
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A clinical trial is carried out for a new cholesterol-lowering drug. The drug is given to 500 patients, and a placebo is given to another 500 patients, using random assignment of the patients. How would you estimate the treatment effect of the drug? Suppose you had data on the weight, age, and sex of each patient. Could you use these data to improve your estimate? Explain. Suppose you had data on the cholesterol level of each patient before he or she entered the experiment. Could you use these data to improve your estimate? Explain.
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