random variable
ˈrændəm ˈveəriəbl̩
Definition Synonyms

Definition of random variable - Reverso English Dictionary

Noun

probability theoryTECH.quantity set by chance, formally a measurable map from outcomesTECH.
  • In class, X was defined as a random variable.
  • The expected value of a random variable summarizes its long-run average outcome.
  • In this model, each random variable represents daily rainfall at one location.
chance variable stochastic variable
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Expressions with random

random acts of kindnessn.
unexpected kind actions towards strangers or acquaintances
Random acts of kindness can brighten someone's day.
at randomadv.
without a definite plan, purpose, or pattern
The numbers were selected at random from a list.
in random orderadj.
arranged without any set pattern or sequence
The questions are in random order on the test.
random picturesn.
images selected without a specific pattern or reason
She showed me random pictures from her trip.
random thoughtsn.
unplanned or spontaneous ideas
She often jots down her random thoughts in a notebook.
random noisen.
patternless background sounds or information that seem meaningless or unimportant
The hallway was filled with random noise from passing students.

Expressions with variable

variable as the windadj.
changing often and unpredictably
Her moods are variable as the wind, making her hard to understand.
variable loadn.
amount of weight or demand that changes during use
The bridge was designed to handle a heavy variable load from traffic.
variable-yieldadj.
producing different amounts or results over time
The variable-yield investment attracted cautious investors.
dummy variablen.
binary variable indicating categories in statistics
The dummy variable was used to represent gender in the study.
control variablen.
factor kept constant in experiments
In the experiment, temperature was the control variable.
categorical variablen.
variable with fixed categories, not numbers
A categorical variable can be color or type.
discrete variablen.
variable with countable distinct values
The number of students in a class is a discrete variable.
experimental variablen.
variable manipulated in research to test hypotheses
Researchers adjusted the experimental variable to see the outcome.
independent variablen.
variable determining the dependent variable's value
In y = f(x), x is the independent variable.
variable costn.
cost changing with production level
The variable cost increased as production ramped up.

Terms related to random variable

💡 Terms in the same lexical field: analogies, antonyms, common collocates, words with same roots, hypernyms…
variabilityvariancevariedvariouslydistributioneventexpectationmeasureoutcomeprobabilitysample

Terms with random variable included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
sample spacen.
mathematics
range of values of a random variable
Bernoulli distributionn.
mathematics
probability distribution of a random variable taking two possible values
chance variablen.
mathematics
variable representing random outcomes in statistics
density functionn.
probability theory
function describing likelihood of a random variable's value
distribution functionn.
statistics
function describing probability distribution of a random variable
probability density functionn.
mathematics
function representing distribution of a continuous random variable
first momentn.
mathematics
sum of random variable values divided by number of values
characteristic functionn.
probability theory
complex function defining a random variable's probability distribution

View all translations of random variable

✨Click below to see the appropriate translations facing each meaning.
  1. French:variable aléatoire, ...
  2. German:Zufallsvariable, ...
  3. Italian:variabile casuale, ...
  4. Spanish:variable aleatoria, ...
  5. Portuguese:variável aleatória, ...
  6. Chinese:随机变量, ...
  7. Japanese:確率変数, ...
  8. Arabic:مُتَغَيِّر عَشْوَائِي, ...
  9. Hebrew:מִשְׁתַּנֶּה מִקְרִי, ...
  10. Russian:случайная величина, ...
  11. Ukrainian:випадкова величина, ...
  12. Hindi:यादृच्छिक चर, ...
Browse the dictionary entries starting with “r”:
random selection random thoughts random walk randomisation

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