Which of the following is not a property of variance?
A) The value of the variance is zero only when all of the data values are the same number.
B) The units of variance are the squares of the units of the original data.
C) The value of the variance is always positive or 0.
D) The sample variance is a biased estimator of the population variance.

Question

Quizplus · Accepted Answer

The sample variance is actually an unbiased estimator of the population variance when using the formula with (n-1) in the denominator, known as Bessel's correction.

Which of the Following Is Not a Property of Variance