The value of the standard deviation may be either positive or negative,while the value of the variance will always be positive.

Name: The value of the standard deviation may be either positive or negative,while the value of the variance will always be positive.
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Question

Quizplus · Accepted Answer

This statement is incorrect. The variance can be negative in certain situations, such as when dealing with a biased sample. However, in most practical situations, the variance is positive.

The Value of the Standard Deviation May Be Either Positive