A numerical index of the degree of relationship between two variables is known as the
A) mode.
B) standard deviation.
C) correlation coefficient.
D) mean.

Question

Quizplus · Accepted Answer

The correlation coefficient is a measure of how strong the relationship is between two variables. It ranges from -1 to 1, with a value of 0 indicating no relationship, negative values indicating a negative relationship, and positive values indicating a positive relationship. The other options (mode, standard deviation, mean) are measures of central tendency and variability and do not measure the degree of relationship between variables.

A Numerical Index of the Degree of Relationship Between Two