Which of the following best describes 'variance'?
A)Variance is always twice the standard deviation.
B)Variance reflects a unit of measurement that has been squared.
C)Variance is the standard deviation minus the error rate.
D)Variance is the average deviation multiplied by 2.

Question

Quizplus · Accepted Answer

Variance is a statistical measure that represents the dispersion of a dataset relative to its mean, and it is calculated as the average of the squared differences from the Mean. The units of variance are the square of the units of the original data, reflecting choice B accurately.

Which of the Following Best Describes 'Variance