Show Summary Details
- Publishing Information
- General Links for this Work
- Abbreviations in biographies
- Statistical Notation
- Mathematical Notation
- Greek Letters
- Cumulative Probabilities for the Binomial Distribution
- Cumulative Probabilities for the Poisson Distribution
- Upper-Tail Percentage Points for the Standard Normal Distribution
- The Standard Normal Distribution Function
- Percentage Points for the t-Distribution
- Percentage Points for the F-Distribution
- Percentage Points for the Chi-Squared Distribution
- Critical Values for Spearman's Rank Correlation Coefficient, ρ
- Critical Values for Kendall's τ
- Critical Values for the Product-Moment Correlation Coefficient, r
- Pseudo-Random Numbers
- Selected Landmarks in the Development of Statistics
- Honours and Awards
- Further Reference
random variable
- Source:
- A Dictionary of Statistics
random variable (r.v.)
When the value of a variable is subject to random variation, or when it is the value of a randomly chosen member of a population, it is described as a random variable—though the adjective ‘random’ may be omitted. See probability distribution.
- Publishing Information
- General Links for this Work
- Abbreviations in biographies
- Statistical Notation
- Mathematical Notation
- Greek Letters
- Cumulative Probabilities for the Binomial Distribution
- Cumulative Probabilities for the Poisson Distribution
- Upper-Tail Percentage Points for the Standard Normal Distribution
- The Standard Normal Distribution Function
- Percentage Points for the t-Distribution
- Percentage Points for the F-Distribution
- Percentage Points for the Chi-Squared Distribution
- Critical Values for Spearman's Rank Correlation Coefficient, ρ
- Critical Values for Kendall's τ
- Critical Values for the Product-Moment Correlation Coefficient, r
- Pseudo-Random Numbers
- Selected Landmarks in the Development of Statistics
- Honours and Awards
- Further Reference