# F-distribution

## Definitions

### Health Economics

- Used for random variables that are constrained to be greater or equalto 0. It is often used in the analysis of variance by taking the ratio ofthe variance of the means from a number of groups, including randomerrors, to the variance of the random errors. Also called the varianceratio distribution. It is used to evaluate the statistical significance ofthe association between a determinant and an outcome variable in ananalysis of variance. Named after the British statistician Sir RonaldFisher (1890–1962).
- synonymVariance Ratio Distribution

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