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A study reports the mean change in HDL (high-density lipoprotein, or “good” chol

ID: 3239849 • Letter: A

Question

A study reports the mean change in HDL (high-density lipoprotein, or “good” cholesterol) of adults eating raw garlic six days a week for six months. The margin of error for a 95% confidence interval is given as plus or minus 6 milligrams per deciliter of blood (mg/dl). This means that


we could be certain that the study result is within 6 mg/dl of the truth about the population if the conditions for inferences were satisfied. we can be certain that the study result is within 6 mg/dl of the truth about the population. the study used a method that gives a result within 6 mg/dl of the truth about the population in 95% of all samples. eBook

Explanation / Answer

we could be certain that the study result is within 6 mg/dl of the truth about the population if the conditions for inferences were satisfied.

Option A is correct.