A public health researcher is designing a study of the effect of diet on heart disease. The
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A public health researcher is designing a study of the effect of diet on heart disease.
The researcher knows that the diets of men and women tend to differ, and that men are more susceptible to heart disease. To be sure that both men and women are well represented, the study comprises a simple random sample of 100 men and another simple random sample of 100 women. What kind of sample do these 200 people represent?
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