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

Verified
Correct Answer:
Verified
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