In correlation analysis, the strength of the association between the variables under investigation is determined by:
A) how close the coefficient is to zero.
B) how close the significance value is to 1.
C) how close the coefficient is to ±1.
D) whether the coefficient is positive or negative.

Question

Quizplus · Accepted Answer

The strength of the association between variables is determined by how close the correlation coefficient is to ±1. A value of +1 indicates a perfect positive correlation, while a value of -1 indicates a perfect negative correlation. The closer the value is to ±1, the stronger the association between the variables.

In Correlation Analysis, the Strength of the Association Between the Variables