The covariance of two variables X and Y:
A)must be between −1 and +1.
B)must be positive.
C)can be any real number.
D)None of these choices.

Name: The covariance of two variables X and Y: A)must be between −1 and +1. B)must be positive. C)can be any real number. D)None of these choices.
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Question

Quizplus · Accepted Answer

The covariance of two variables X and Y can be any real number. It can be positive, negative, or zero. It is not restricted to the range of -1 to +1 like the correlation coefficient.

The Covariance of Two Variables X and Y