Q-Q plot

Q-Q plots
Quantiles are helpful for graphical representations of samples, and more specifically : ...

Q-Q plots are available in some general purpose statistical software programs, including Dataplot.

With Categorized Q-Q plots, a series of Quantile-Quantile (or Q-Q) plots, one for each category of cases identified by the X or X and Y category variables (or identified by the Multiple Subset criteria, see Categorization Methods) are produced.

See also: Distribution, Quantile, Outlier, Standard Deviation, Normal distribution