# Connexions

##### Sections
You are here: Home » Content » Descriptive Statistics: Measuring the Center of the Data

# About: Descriptive Statistics: Measuring the Center of the Data

Module by: Susan Dean, Barbara Illowsky, Ph.D.. E-mail the authors

View the content: Descriptive Statistics: Measuring the Center of the Data

 Name: Descriptive Statistics: Measuring the Center of the Data ID: m17102 Language: English (en) Summary: This chapter discusses measuring descriptive statistical information using the center of the data Subject: Mathematics and Statistics Keywords: elementary, statistics License: Creative Commons Attribution License CC-BY 3.0 Authors: Copyright Holders: Maintainers: Latest version: 1.12 (history) First publication date: Jun 26, 2008 11:33 am +0000 Last revision to module: Jul 3, 2012 12:26 pm +0000

 PDF: m17102_1.12.pdf PDF file, for viewing content offline and printing. Learn more. EPUB: m17102_1.12.epub Electronic publication file, for viewing in handheld devices. Learn more. XML: m17102_1.12.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. Source Export ZIP: m17102_1.12.zip ZIP containing the module XML plus any included media files. Can be reimported in the editing interface. Learn more. Offline ZIP: m17102_1.12_offline.zip An offline HTML copy of the content. Also includes XML, included media files, and other support files. Learn more.

## Version History

 Version: 1.13 Mar 28, 2013 1:40 am +0000 by Changes: `Module: Descriptive Statistics: Measuring the Center of the Data: Added calculator instructions.` Version: 1.12 Jul 3, 2012 12:26 pm +0000 by Currently viewing this version. Changes: `Descriptive Statistics: Measuring the Center of the Data: Minor edit.` Version: 1.11 May 15, 2012 11:11 pm +0000 by Changes: `Descriptive Statistics: Measuring the Center of the Data: Clarified language about mean and average. Added language to clarify the relationship between sample and population means.` Version: 1.10 Mar 14, 2012 9:53 am +0000 by Changes: `Module: Descriptive Statistics: Measuring the Center of the Data: Updated Mean, Median and Mode language.` Version: 1.9 Mar 8, 2010 8:32 pm +0000 by Changes: `Descriptive Statistics: Measuring the Center of the Data: Added Sampling Distributions and Statistic of a Sampling Distribution. ` Version: 1.8 Feb 7, 2009 11:49 am +0000 by Changes: `Descriptive Statistics: Measuring the Center of the Data: Clarified the language in the glossary items "mean" and "median." ` Version: 1.7 Jan 22, 2009 8:22 am +0000 by Changes: ` Descriptive Statistics: Measuring the Center of the Data: For the Aids example, enhanced the 20th and 21st values (the two 24s) so that they could be seen more clearly. ` Version: 1.6 Jan 8, 2009 10:24 pm +0000 by Changes: `Descriptive Statistics: Measuring the Center of the Data: Added a sentence at the very beginning of the section to provide a transition from the previous section.` Version: 1.5 Jan 8, 2009 7:49 pm +0000 by Changes: ```In Descriptive Statistics: Measures of the "Center" of the data, for clarity added "because it is not affected by the precise numerical values of the outliers" to the end of the sentence after the phrase "when there are extreme values or outliers." Also, added examples to help explain the location of the median expression (n+1)/2. ``` Version: 1.4 Oct 27, 2008 1:15 pm +0000 by Changes: `roles updated` Version: 1.3 Jul 14, 2008 11:05 am +0000 by Changes: `image review` Version: 1.2 Jul 3, 2008 11:26 am +0000 by Changes: `post review updates` Version: 1.1 Jun 26, 2008 6:25 pm +0000 by Changes: `Initial publication`

## How to Reuse and Attribute This Content

If you derive a copy of this content using a Connexions 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 3.0), you must include

• the authors' names: Susan Dean, Barbara Illowsky
• the title of the work: Descriptive Statistics: Measuring the Center of the Data
• the Connexions URL where the work can be found: http://cnx.org/content/m17102/1.12/

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 3.0) of this work:

### American Chemical Society (ACS) Style Guide:

Dean, S.; Illowsky, B. Descriptive Statistics: Measuring the Center of the Data, Connexions Web site. http://cnx.org/content/m17102/1.12/, Jul 3, 2012.

### American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Descriptive Statistics: Measuring the Center of the Data [Connexions Web site]. July 3, 2012. Available at: http://cnx.org/content/m17102/1.12/.

### American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2012, July 3). Descriptive Statistics: Measuring the Center of the Data. Retrieved from the Connexions Web site: http://cnx.org/content/m17102/1.12/

### Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Descriptive Statistics: Measuring the Center of the Data." Connexions. July 3, 2012. http://cnx.org/content/m17102/1.12/.

### Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Descriptive Statistics: Measuring the Center of the Data," Connexions, July 3, 2012, http://cnx.org/content/m17102/1.12/.

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

Dean, S., & Illowsky, B. 2012. Descriptive Statistics: Measuring the Center of the Data. Connexions, July 3, 2012. http://cnx.org/content/m17102/1.12/.

### Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Descriptive Statistics: Measuring the Center of the Data. Connexions. 3 July 2012 <http://cnx.org/content/m17102/1.12/>.