RANDOM VARIABLE Definition & Meaning

random variable

noun

Statistics.

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

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 probabilistically rv

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�y��vlog History and Origins

Origin of random variable¹

First recorded in 1935–40

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Example Sentences

Examples have not been reviewed.

Good institutions are not a random variable that could have popped up anywhere around the globe, in Denmark or in Somalia, with equal probability.

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Like the stock market, timing is a random variable.

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The myriad factors affecting innovativeness make the historian’s task paradoxically easier, by converting societal variation in innovativeness into essentially a random variable.

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