Dictionary.com
definitions

random variable

noun Statistics.

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

RELATED CONTENT

Spelling Still MattersRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE
FlockaRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

random mating, random number, random numbers, random rubble, random sampling, random variable, random walk, random walk theory, random-access, random-access memory, randomize

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. 2019

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