random variable


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Related to random variable: Continuous Random Variable, Discrete Random Variable

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
References in periodicals archive ?
One difficulty is that U([infinity]) = [infinity], which led him to first approximate the lognormal distribution with a distribution that corresponds to a product of a lognormal random variable and an independent gamma-distributed variable with integer parameter [beta].
In this case, a [xi] random variable with triangular distribution in the interval of (a, b) can be shown as follows:
The means of these random variables are hit by observable shocks in each period.
PI about a random variable in the shape of distribution function: F (x) = P (X < x), where F(x) is a distribution function of variable.
Proof Let P be a 1-separated point set and consider the random variable T([alpha]) = ([[summation].
In order to determine quantiles of an inverse Gaussian random variable Y with parameters [mu] > 0 and [lambda] > 0, use the fact that the distribution of X = [lambda] Y/[[mu].
The first term in Equation [1] is the normalized random variable corresponding to resistance ([X.
Before proceeding, I will define a new random variable [Mathematical Expression Omitted], which is uncorrelated with the insurable risk.
Let the random variable W equal the weight of a randomly chosen molecule.
This is accomplished by replacing the random variable for revenue (R) with its function