Which of the following statistics cannot be negative?
A) covariance
B) variance
C) E(r)
D) correlation coefficient

Name: Which of the following statistics cannot be negative? A) covariance B) variance C) E(r) D) correlation coefficient
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Question

Quizplus · Accepted Answer

Variance cannot be negative since it is a measure of spread that calculates the average of squared deviations from the mean, which cannot be negative. The other options, covariance, E(r), and correlation coefficient can be negative depending on the data being analyzed.

Which of the Following Statistics Cannot Be Negative