OpenStax CNX

You are here: Home » Content » Measures of Variability

About: Measures of Variability

Module by: David Lane. E-mail the author

View the content: Measures of Variability


Name: Measures of Variability
ID: m10947
Language: English (en)
Subject: Mathematics and Statistics
Keywords: range, standard deviation, variability, variance
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License CC-BY 1.0

Authors: David Lane (
Copyright Holders: David Lane (
Maintainers: Erin Maloney (, David Lane (, Eileen Meyer (

Latest version: 2.3 (history)
First publication date: Dec 2, 2002 12:00 am -0600
Last revision to module: Jul 7, 2003 12:00 am -0500


PDF: m10947_2.3.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m10947_2.3.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 2.3 Jul 7, 2003 12:00 am -0500 by Liqun Wang
delete domainofapplication for sum in equation .

Version: 2.2 Jun 23, 2003 12:00 am -0500 by Liqun Wang
change version from 0.4 to 0.5, make up two empty links.

Version: 2.1 Mar 19, 2003 12:00 am -0600 by Charlet Reedstrom
added keywords, changed title, fixed typos and cnxns, repaired a couple of equations that were wrong, added author links

Version: 2.0 Dec 2, 2002 12:00 am -0600 by (Unknown)
Has two links to later chapters that need to be filled in

How to Reuse and Attribute This Content

If you derive a copy of this content using a OpenStax-CNX account and publish your version, proper attribution of the original work will be automatically done for you.

If you reuse this work elsewhere, in order to comply with the attribution requirements of the license (CC-BY 1.0), you must include

  • the authors' names: David Lane
  • the title of the work: Measures of Variability
  • the OpenStax-CNX URL where the work can be found:

See the citation section below for examples you can copy.

How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:

American Chemical Society (ACS) Style Guide:

Lane, D. Measures of Variability, OpenStax-CNX Web site., Jul 7, 2003.

American Medical Assocation (AMA) Manual of Style:

Lane D. Measures of Variability [OpenStax-CNX Web site]. July 7, 2003. Available at:

American Psychological Assocation (APA) Publication Manual:

Lane, D. (2003, July 7). Measures of Variability. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Lane, David. "Measures of Variability." OpenStax-CNX. July 7, 2003.

Chicago Manual of Style (Note):

David Lane, "Measures of Variability," OpenStax-CNX, July 7, 2003,

Chicago Manual of Style (Reference, in Author-Date style):

Lane, D. 2003. Measures of Variability. OpenStax-CNX, July 7, 2003.

Modern Languages Association (MLA) Style Manual:

Lane, David. Measures of Variability. OpenStax-CNX. 7 July 2003 <>.