What is the range of possible values of the correlation coefficient?
A) 0 to +1
B) 0 to + infinity
C) - 1 to +1
D) - infinity to + infinity

Question

Quizplus · Accepted Answer

The correlation coefficient ranges from -1 to +1, indicating the strength and direction of the relationship between two variables. A coefficient of +1 indicates a perfect positive correlation, while a coefficient of -1 indicates a perfect negative correlation. A coefficient of 0 indicates no correlation. Therefore, option C is the best choice as it includes all possible values of the correlation coefficient.

What Is the Range of Possible Values of the Correlation