random variable

noun Statistics.

a quantity that takes any of a set of values with specified probabilities.

Origin of random variable

First recorded in 1935–40

Also called variate.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for random variable

random variable

noun

statistics a quantity that may take any of a range of values, either continuous or discrete, which cannot be predicted with certainty but only described probabilisticallyAbbreviation: rv

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012