If You Wanted to Find Out If Alcohol Consumption (Measured

question 37

Multiple Choice

If you wanted to find out if alcohol consumption (measured in fluid oz.) and grade point average on a 4-point scale are linearly related, you would perform a

• A) X² test for the difference in two proportions.
• B) X² test for independence.
• C) a Z test for the difference in two proportions.
• D) a t test for a correlation coefficient.

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together.

Variables

Elements, features, or factors that are liable to vary or change within a study or experiment.

Representative Sample

A smaller group taken from a larger population that accurately represents the characteristics of the whole population.

National Election

The process by which citizens of a country vote to choose representatives or leaders at a national level.