Which one of the following terms is the measure of the tendency of two things to move or vary together?
A) variance
B) squared deviation
C) standard deviation
D) alpha
E) covariance

Question

Quizplus · Accepted Answer

Covariance is the measure of the tendency of two things to move or vary together. It measures the strength of the linear relationship between two variables. Variance, squared deviation, and standard deviation all measure the variation and dispersion of a single variable. Alpha is typically used in statistical hypothesis testing to denote the level of significance.

Which One of the Following Terms Is the Measure of the Tendency