Definitions for

**"RANDOM VARIABLE"****Related Terms:**Distribution, Variate, Probability distribution, Probability density function, Poisson distribution, Estimator, Binomial distribution, Chi-square test, Estimation, Point estimate, Confidence interval, Discriminant analysis, Regression, Statistic, Markov chain, Indicator variable, Spatial autocorrelation, Covariance, Multiple regression analysis, Regression equation, Spurious correlation, Logistic regression, Partial correlation, Degrees of freedom, Estimate, Coefficient of correlation, Regression analysis, Significant, Variability, Stochastic model, Confidence limits, P value, Law of large numbers, Confidence level, Extrapolation, Statistical test, Analysis of variance, Univariate analysis, Correlation, Variance, Goodness of fit, Linear regression, Multiple regression, Extrapolate, Correlation coefficient, Analysis of covariance, Chi-square, Multicollinearity, Statistically significant

A variable which can assume any value from a set of possible values.

Parameter or characteristic that can take on any one of several values; discrete and continuous (19.2).

An economic or statistical variable that takes on multiple (or a continuum of) values, each with some probability that is specified by a probability distribution (or probability density function).

a variable quantity that is random

a function from a sample space S into the real numbers

a function from outcomes to values

a function that assigns a real number to each outcome in the sample space of a random experiment

a function that associates a unique numerical value with every outcome of an experiment

a function which maps the elements of the sample space S to points on the real number line RR

a function X that assigns to each possible outcome in an experiment a real number

a measurable function , where S is a set, is a sigma-algebra on S , and is a measure defined on such that

a measurable mapping from a sample space to the real numbers

an assignment of numbers to outcomes of a random experiment

a nondeterministic function

a number whose value is determined by chance

a numerical description of the outcome of a statistical experiment

a numerical outcome of a random experiment

a quantity that is uncertain, such as interarrival time between two incoming flights or number of defective parts in a shipment

a real function (yes, it is called" variable", but in reality it is a function) that assigns a numerical value to each simple event

a rule that assigns a value to each possible outcome of an experiment

a variable that assumes numerical values associated with events of an experiment

a variable whose value is a number determined by the outcome of an experiment

a variable whose value is determined by the outcome of a random experiment

a variable whose values occur probabilistically

(abbreviated r.v.) A rule (function) assigning a number to each outcome in the sample space. ("-squared") The ratio of regression sum of squares to residual sum of squares, representing the proportion of variability explained by the model. ² is typical expressed as a percent.

"A function that assigns a numerical value to each outcome of an experiment" (Dolciani, 1988). "The outcomes form the sample space of the Random Variable" (Dolciani, Beckenbach, Donnelly, Jurgensen, & Wooton, 1980).

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

A quantity that can take any one of a number of unpredicted values.

See discrete variable.

a variable whose value is determined by the outcome of an experiment in which the outcome is subject to chance.

A term which has been given many variable, if not entirely random, definitions. Broadly and loosely for our purposes, some measurement which takes on given values with given probabilities

A numerical descrition of the outcome of an experiment.

A function which assigns a numerical value to all possible outcomes of an experiment. The values of random variables differ from one observation to the next in a manner described by their probability distribution.

A variable that is itself a function of the result of a statistical experiment in which each outcome has a definite probability of occurrence; also called variate

A function that assigns a real number to each and every possible outcome of a random experiment.

A variable whose value is determined by the outcome of an event or experiment.

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

(Or variate.) A variable characterized by random behavior in assuming its different possible values. Mathematically, it is described by its probability distribution, which specifies the possible values of a random variable together with the probability associated (in an appropriate sense) with each value. A random variable is said to be continuous if its possible values extend over a continuum, discrete if its possible values are separated by finite intervals. See probability theory, statistical independence.

A function on a probability space.

In statistics and mathematics, a random variable is a variable that can take on different, random values. Every random variable must follow some sort of probability distribution, although in experimentation one might not know what that distribution is. As a variable with probabalistically predictable values, it is a function in its own right.

a partition of the space

Regulatory Environment Return on investment pricing

a set of possible events that are me and ce