Determine and Interpret Z-Scores
-A Pharmaceutical Testing Company Wants to Test

question 58

Multiple Choice

Determine and Interpret z-Scores
-A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg. The company wished to test a sample of people who fall between 1.5 and 3 z-scores above the mean. Into what range must a candidate s cholesterol level be in order for the candidate to be included in the study

• A) \(237.5 - 275\)
• B) \(225 - 237.5\)
• C) \(125 - 162.5\)
• D) \(162.5 - 275\)

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Definitions:

Tunic Media

The middle layer of the wall of blood vessels, composed mostly of smooth muscle and elastic tissue, which regulates the diameter of the vessels.

Arteries

Blood vessels that carry oxygenated blood away from the heart to the body's tissues, except for the pulmonary arteries, which carry deoxygenated blood to the lungs.

Veins

Blood vessels that carry blood towards the heart, typically carrying deoxygenated blood, except for the pulmonary and umbilical veins.

Sympathetic Nerve Fibers

Part of the autonomic nervous system that prepares the body for stress-related activities.