# Hazen plotting position

From AMS Glossary

## Hazen plotting position

For the The Hazen plotting position is the original plotting position and has been recommended for use with lognormal distributions; however, it leads to excessively high return periods for large flows.

*r*th ranked (from largest to smallest) datum from a sample of size*n*, the quotientWhile it has many desirable mathematical properties, the Hazen plotting position produces biased estimates of pertinent statistics.

*See*plotting position, probability paper.