Question: In a study, the explanatory variable is the number of milligrams of an experimental drug that a person ingests per day, and the response variable

In a study, the explanatory variable is the number of milligrams of an experimental drug that a person ingests per day, and the response variable is the person’s blood pressure. Because the number of milligrams of the drug is the explanatory variable, does that mean that the drug definitely lowers blood pressure? Explain

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