Research Has Indicated That There Is a Curvilinear Relationship Between

question 59

Multiple Choice

Research has indicated that there is a curvilinear relationship between the number of drinks a person has per day and their likelihood of developing heart disease. Calculating a regular correlation coefficient on these data would likely result in

• A) an artificially low value.
• B) a value close to +1.00.
• C) a value close to -1.00.
• D) a value larger than 1.00.

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Definitions:

Chi-Squared Test

A statistical test used to determine if there is a significant association between two categorical variables.

Nominal Variables

Variables that represent categories with no intrinsic ranking or order, such as gender, nationality, or brand names.

Degrees of Freedom

The number of values in a calculation that are free to vary without violating any constraints.

Contingency Table

A tabular method to display the frequency distribution of variables along with their joint distribution.