Which of these statements describes the difference between variance and standard deviation?
A) Variance is an indicator of dispersion; standard deviation is an indicator of central tendency.
B) Standard deviations are more affected by outlying values than are variances.
C) Standard deviations are always smaller than variances when variance 1.
D) There are no differences: the terms are synonyms.

Question

Which of these statements describes the difference between variance and standard deviation?
A) Variance is an indicator of dispersion; standard deviation is an indicator of central tendency.
B) Standard deviations are more affected by outlying values than are variances.
C) Standard deviations are always smaller than variances when variance >1.
D) There are no differences: the terms are synonyms.

Quizplus · Accepted Answer

Variance is the square of the standard deviation, so when variance is greater than 1, the standard deviation is smaller than the variance.

Which of These Statements Describes the Difference Between Variance and Standard