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Concept information

probability theory > random variable

Preferred term

random variable  

Definition(s)

  • A random variable (also called random quantity, aleatory variable, or stochastic variable) is a mathematical formalization of a quantity or object which depends on random events. The term 'random variable' can be misleading as it is not actually random nor a variable, but rather it is a function from possible outcomes (e.g., the possible upper sides of a flipped coin such as heads and tails ) in a sample space (e.g., the set ) to a measurable space (e.g., in which 1 is corresponding to and −1 is corresponding to , respectively), often to the real numbers.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Random_variable)

Broader concept(s)

Synonym(s)

  • aleatory variable
  • random quantity
  • stochastic variable

In other languages

URI

http://data.loterre.fr/ark:/67375/PSR-HL045HZD-1

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