Which of the following statements about variance is the most accurate?
A) Variance is the square root of the standard deviation.
B) Variance can be both, positive or negative.
C) Variance is denominated in the same units as the original data.
D) Variance is the average of the squared deviations from the mean.

Question

Quizplus · Accepted Answer

Variance is defined as the average of the squared deviations from the mean. It is a measure of how spread out the data is from the average. It is always positive, as it is the average of squared values. The standard deviation, which is the square root of variance, is denominated in the same units as the original data.

Which of the Following Statements About Variance Is the Most