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Which of the following best describes 'variance'? Group of answer choices Variance is always twice the standard deviation. Variance reflects a unit of measurement that

Which of the following best describes 'variance'?

Group of answer choices

Variance is always twice the standard deviation.

Variance reflects a unit of measurement that has been squared.

Variance is the standard deviation minus the error rate.

Variance is the average deviation multiplied by 2.

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