Five Number Summary

Pronunciation: /faɪv ˈnʌm bər ˈsʌm ə ri/ Explain

A five number summary is a summary of a statistical dataset. The five number summary consists of the median, the first quartile (Q1), the third quartile (Q3), the minimum value, and the maximum value of the dataset. The five number summary of the dataset 2, 4, 5, 6, 6, 8, 9 is:

  • Minimum: 2
  • Q1: 4
  • Median: 6
  • Q3: 8
  • Maximum 9


  1. David C. Hoaglin, Frederick Mosteller, and John W. Tukey. Understanding Robust and Exploratory Data Analysis. pp 33-57. Wiley-Interscience. January 15, 2000. Buy the book
  2. Dr Daniel B Wright and Kamala London . First (and Second) Steps in Statistics. 2nd edition. pp 11-19. Sage Publications Ltd. April 1, 2009. Buy the book

Cite this article as:

McAdams, David E. Five Number Summary. 7/11/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

Revision History

7/9/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
2/4/2010: Added "References". (McAdams, David E.)
1/12/2009: Initial version. (McAdams, David E.)

All Math Words Encyclopedia is a service of Life is a Story Problem LLC.
Copyright © 2018 Life is a Story Problem LLC. All rights reserved.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License