A correlation coefficient will always range between
A)0 and 1.
B)−10 and +10.
C)0 per cent and 100 per cent.
D)−1.0 and +1.0.

Question

Quizplus · Accepted Answer

Correlation coefficient measures the association between two variables and ranges between -1.0 to +1.0. A positive correlation indicates a direct association between two variables and values range between 0 to +1.0, whereas a negative correlation indicates an inverse association between two variables, and values range between -1.0 to 0. Therefore, the best choice is D.

A Correlation Coefficient Will Always Range Between