A Cholesterol Test Was Given to 10 Heart Patients with High

question 22

Multiple Choice

A cholesterol test was given to 10 heart patients with high cholesterol levels.The same 10 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 pharmaceutical company manufacturing the medicine wants to know if the drug is effective in reducing the cholesterol levels of the patients.The cholesterol levels before and after taking the drug is recorded for each patient.Distribution of cholesterol level is not normally distributed.Which one of the following nonparametric tests is appropriate for this problem?

• A)Wilcoxon signed rank test
• B)Wilcoxon rank sum test
• C)Sign test
• D)Kruskal-Wallis test
• E)Spearman's rank correlation test

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Definitions:

Minor

A person who is under the legal age of adulthood, typically considered to be under 18 years old in many jurisdictions.

Timely Manner

Refers to completing tasks or responsibilities within an expected or agreed-upon timeframe.

Mentally Incompetent

A legal status indicating that an individual lacks the capacity to make decisions for themselves due to mental limitations or impairments.

Legally Binding

Refers to agreements or contracts that have legal force and are enforceable by law.