Which of the Following Statements About Matched-Pairs Sampling Is Correct

question 166

Multiple Choice

Which of the following statements about matched-pairs sampling is correct?

• A) It is a procedure that matches each unit from population A with a "twin" from population B so that any sample observation about a unit in population A automatically yields an associated observation about a unit in population B.
• B) It is designed to control for extraneous factors that might influence the characteristic being measured in addition to the variable under study.
• C) When testing the effectiveness of a new drug compared to a traditional one, each patient in an experimental group might be matched with a partner in a control group of the same age, weight, height, sex, occupation, medical history, lifestyle, and so on.
• D) All of these.
• E) None of these.

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Definitions:

Competition

The rivalry among businesses to attract customers, increase sales and market share, and achieve a sustainable competitive advantage.

Fosters Efficiency

Encourages or promotes greater productivity and effectiveness in processes or systems.

Monopolistic Competition

A market structure characterized by many firms offering similar but not identical products, allowing for some degree of market power.