A correlation coefficient merely investigates the presence,strength,and direction of a linear relationship between two variables.

Question

Quizplus · Accepted Answer

This statement is true. Correlation coefficient only measures the linear relationship and not other types of relationships between two variables. It ranges from -1 to +1, where a positive value indicates a positive linear relationship, a negative value indicates a negative linear relationship, and 0 indicates no linear relationship.

A Correlation Coefficient Merely Investigates the Presence,strength,and Direction of a Linear