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Researchers have found that women who take oral contraceptives (birth control pills) are at higher risk of having a heart attack or stroke and that the risk is substantially higher if a woman smokes.

In investigating the relationship between taking oral contraceptives (the explanatory variable) and having a heart attack or stroke (the response variable), would smoking be called a confounding variable or an interacting variable? Explain.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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