A Correlation Between Levels of Impulsiveness and Annual Income of -0.75

question 44

Multiple Choice

A correlation between levels of impulsiveness and annual income of -0.75 would indicate that

• A) lower levels of impulsiveness are associated with lower levels of annual income.
• B) higher levels of annual income are associated with lower levels of impulsiveness.
• C) it is impossible to predict annual income levels from knowledge of impulsiveness levels.
• D) impulsiveness has no causal influence on annual income.

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Definitions:

SAS Proficiency

A measure of one's skill and knowledge in using the Statistical Analysis System (SAS) software for data management and analysis.

Chi-square Test

An analytical procedure employed to find out if a considerable link is present between two categorical factors.

Goodness-of-fit Test

Statistical tests that measure how well observed sample data fits a distribution from a population with a specified distribution.

Categorical Variable

A type of variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or observation to a particular group or category.