Laplace's measure of dispersion

Laplace's measure of dispersion

[lə′pläs·əz ¦mezh·ər əv di′spər·zhən]
(statistics)
The expected value of the absolute value of the difference between a random variable and its mean.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.