[See Solution] The FDA conducted a study to evaluate the effectiveness of a drug it recently developed to reduce the level of Total Blood Cholesterol. In
Question:
The FDA conducted a study to evaluate the effectiveness of a drug it recently developed to reduce the level of Total Blood Cholesterol. In the study, 20 persons with a high level cholesterol (the desirable level is less than 200 milligrams per deciliter of blood (mg/dL)) were administered the newly developed pill. The pharmaceutical company that manufactures the pill claims that patients with high cholesterol level will experience a reduction of at least 50 mg/dL using this pill. The results are shown in the table below. Does the data support the company’s claim? Test at α = 0.05. Assume normality.
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