Which measurement of variability is usually reported with the mean?
A) Range
B) Variance
C) Standard deviation
D) Semi-interquartile range

Question

Quizplus · Accepted Answer

The standard deviation is the most commonly reported measure of variability with the mean because it provides a more precise and reliable measure of spread in the data compared to the range or semi-interquartile range. The variance is also a measure of variability, but it is less commonly reported due to its units being squared, which can make interpretation difficult for some individuals.

Which Measurement of Variability Is Usually Reported with the Mean