Which of the Following Does a Correlation Coefficient Not Tell

question 15

Multiple Choice

Which of the following does a correlation coefficient not tell us?

• A) If the difference between two means reflects a real difference or can be attributed to chance fluctuation.
• B) The strength of a relationship between two measures.
• C) The direction of a relationship between two measures.
• D) How well a score on one measure can be predicted by a score on another.

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Definitions:

Demand Curve

A graph showing the relationship between the quantity demanded of a certain good and its price.

Supply Curve

An illustrated chart depicting the correlation between the cost of a commodity and the volume of the commodity sellers aim to provide.

Supply Factor

An influence that affects the quantity of a product or service that suppliers are willing and able to sell in the market at a given price level.

Health Care Market

The aggregation of all entities (providers, payers, and patients) involved in the production, distribution, and consumption of health care services.