A Cholesterol Test Was Given to Ten Heart Patients with High

question 82

Multiple Choice

A cholesterol test was given to ten heart patients with high cholesterol levels. The same ten heart patients are then given a new cholesterol-reducing drug for six months. Before the patients begin taking the drug, they are told to maintain their current diets and eating habits so that the effect of the drug can be more effectively determined. After taking the drug for six months, the same patients are given a cholesterol test again. The cholesterol levels before and after taking the drug are given below. The cholesterol level readings are not normally distributed. At α = .05, test to determine if the drug is helpful in reducing cholesterol levels.

• A) Reject the null hypothesis.
• B) Do not reject the null hypothesis.

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Definitions:

Hearing Loss

A partial or total inability to hear sound in one or both ears.

Hair Cells

Sensory cells located in the inner ear that are responsible for converting sound vibrations into electrical signals that can be interpreted by the brain.

Asymmetry

Lack of equality or equivalence between parts or aspects of something; not symmetrical.

Barn Owl

A nocturnal bird of prey known for its distinctive heart-shaped face and for being a beneficial species by controlling rodent populations.