Measures of central tendency and variability are calculated to describe the nature of charitable giving each year.These figures are computed for the "average" American citizen.Which of these is a possible value for the variance in dollars given?
A) -$47.26
B) $47.26
C) $38.45 to $47.26
D) $47.26 squared dollars

Question

Quizplus · Accepted Answer

The variance is always a positive value, therefore choices A and C can be eliminated as they include negative values. Choice B only provides a single value for the variance, which is not possible as variance is measured in squared units. Therefore, choice D, which provides variance in the squared dollar units, is the correct and only possible answer.

Measures of Central Tendency and Variability Are Calculated to Describe