frequency distribution

https://doi.org/10.1351/goldbook.F02526
If the range of observed measurement values is subdivided into a regular @ST06775@ of smaller intervals, this distribution is a plot of the frequency of occurrence of values falling into each interval.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2190 [Terms] [Paper]