Test Hypotheses Regarding Matched-Pairs Data
-A Pharmaceutical Company Wishes to Test

question 120

Short Answer

Test Hypotheses Regarding Matched-Pairs Data
-A pharmaceutical company wishes to test a new drug with the expectation of lowering cholesterol levels. Ten subjects are randomly selected and pretested. The results are listed below. The subjects were placed on the drug for a period of 6 months, after which their cholesterol levels were tested again. The results are listed below. (All units are milligrams per deciliter.) Test the company's claim that the drug lowers cholesterol levels. Use $\alpha = 0.01$ . Assume that the distribution is normally distributed.

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Definitions:

Usual Diet

The typical or regular pattern of food and drink consumption by an individual or within a cultural or societal context.

Underweight BMI

A Body Mass Index below the normal range, indicating that a person weighs less than what is considered healthy for their height.

Nutrition Diagnosis

The identification of nutritional issues that affect health, based on a comprehensive assessment of nutritional status.

Registered Dietitian

A credentialed nutrition expert who has met specific academic and professional requirements, including a bachelor's degree, an accredited nutrition curriculum, and a national examination.