Which of the following measures of dispersion are based on deviations from the mean?
A) Variance
B) Standard deviation
C) Mean deviation
D) Mean deviation, standard deviation, and variance

Question

Quizplus · Accepted Answer

Mean deviation, standard deviation, and variance are all measures of dispersion that are based on deviations from the mean. Variance is the average of the squared differences from the mean, while standard deviation is the square root of variance. Mean deviation is the average of the absolute differences from the mean.

Which of the Following Measures of Dispersion Are Based on Deviations