antithetic variable
antithetic variable
[¦an·tē¦thed·ik ′ver·ē·ə·bəl] (statistics)
One of two random variables having high negative correlation, used in the antithetic variate method of estimating the mean of a series of observations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.