A correlation coefficient is a statistical measure of the
A) difference between the highest and lowest scores in a distribution.
B) extent to which two factors vary together.
C) statistical significance of a difference between two sample means.
D) frequency of scores at each level of some measure.

Question

Quizplus · Accepted Answer

A correlation coefficient measures the extent to which two factors vary together, indicating the strength and direction of the relationship between two variables. A correlation coefficient can range from -1 to +1, with a score of 0 indicating no correlation.

A Correlation Coefficient Is a Statistical Measure of the