The F distribution is a probability distribution that arises frequently in the analysis of variance (ANOVA) and is used to compare variances across different groups. It is skewed to the right and depends on two sets of degrees of freedom.
ANOVA: Analysis Of Variance (ANOVA) is a statistical method used to test differences between two or more means by analyzing variances.
F-Ratio: The F-ratio is a statistic calculated as a ratio between-group variability to within-group variability, used in ANOVA.
$p$-Value: $p$-Value measures how well sample data supports a null hypothesis; low values indicate strong evidence against it.