random variable

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Related to Aleatory variable: Random variation

random variable

n.
A variable whose values are random but whose statistical distribution is known.

random variable

n
(Statistics) 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 probabilistically. Abbreviation: rv

ran′dom var′iable


n.
a statistical quantity that can take any of the values of a specified set in accordance with an associated probability distribution.
Also called variate.
[1935–40]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.random variable - a variable quantity that is randomrandom variable - a variable quantity that is random  
variable quantity, variable - a quantity that can assume any of a set of values