A correlation coefficient is an index number constrained to fall between the range of:
A)0 and 1.00.
B)0 and 100.
C)-1.00 and +1.00.
D)-1.00 and 0.
E)-100 and 0.

Question

Quizplus · Accepted Answer

A correlation coefficient measures the strength and direction of the relationship between two variables. It can range from -1.00 to +1.00, where a correlation of +1.00 represents a perfect positive relationship, -1.00 represents a perfect negative relationship, and 0 represents no relationship. Therefore, the correct answer is (C).

A Correlation Coefficient Is an Index Number Constrained to Fall