noun
F-distribution
Technical term in statistics; refers to the probability distribution used in F-tests and ANOVA.
Ｆ分布は分散分析でよく使われる。
The F-distribution is often used in analysis of variance.
t-distribution, used for smaller sample sizes or when population variance is unknown, while F-distribution compares two variances.
Chi-squared distribution; F-distribution is the ratio of two scaled chi-squared variables.
Named after Ronald A. Fisher, who introduced the distribution. The Japanese term is a direct borrowing of the English 'F-distribution'.