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About: Confidence Intervals: Confidence Interval for a Population Proportion

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

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Name: Confidence Intervals: Confidence Interval for a Population Proportion
ID: m16963
Language: English (en)
Summary: Confidence Interval for a Population Proportion is part of the collection col10555 written by Barbara Illowsky and Susan Dean with contributions from Roberta Bloom.
Subject: Mathematics and Statistics
Keywords: elementary, statistics
License: Creative Commons Attribution License CC-BY 3.0

Authors: Susan Dean (susanldean45@gmail.com), Barbara Illowsky, Ph.D. (illowskybarbara@deanza.edu)
Copyright Holders: Maxfield Foundation (cnx@cnx.org)
Maintainers: Susan Dean (susanldean45@gmail.com), Barbara Illowsky, Ph.D. (illowskybarbara@deanza.edu), Connexions (cnx@cnx.org)

Latest version: 1.20 (history)
First publication date: Jun 6, 2008 4:38 pm -0500
Last revision to module: Jun 9, 2012 7:26 am -0500

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Version History

Version: 1.20 Jun 9, 2012 7:26 am -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Added sample size comment, added leading 0 where needed, removed some symbols of inclusion, fixed some calculator name instructions and minor edits.

Version: 1.19 Aug 19, 2011 10:28 am -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Updated glossary item "Confidence Level (CL)."

Version: 1.18 Aug 16, 2011 3:28 pm -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Added glossary item "Error Bound for a Population Proportion."

Version: 1.17 Aug 16, 2011 2:41 pm -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Updated glossary items "Confidence Interval" and "Confidence Level."

Version: 1.16 Aug 16, 2011 9:40 am -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Updated glossary item "Normal Distribution."

Version: 1.15 Aug 15, 2011 8:03 pm -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Updated glossary item "Binomial."

Version: 1.14 Jul 9, 2011 11:38 am -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Clean-up of spacing.

Version: 1.13 Jul 9, 2011 9:58 am -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: For the examples, did clean up editing for clarification.

Version: 1.12 Jun 22, 2011 12:09 pm -0500 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Modified text so it is easier to read and understand.

Version: 1.11 Jan 4, 2011 6:42 pm -0600 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion: Updated the math formulas for clarity.

Version: 1.10 Feb 20, 2009 10:43 pm -0600 by Susan Dean
Changes:
 Confidence Intervals: Confidence Interval for a Population Proportion: Updated glossary items.

Version: 1.9 Jan 28, 2009 10:01 am -0600 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion:  Added a section at the end "Calculating the Sample Size n."

Version: 1.8 Jan 26, 2009 4:32 pm -0600 by Susan Dean
Changes:
Confidence Intervals: Confidence Interval for a Population Proportion:  Omitted from the sentence that starts with "If we divide all values of the random variable by n" the words "all values of."  Made minor edits to the glossary.

Version: 1.7 Jan 7, 2009 5:30 pm -0600 by Susan Dean
Changes:
In the Glossary, changed the variance notation to the standard deviation notion for the normal distribution.

Version: 1.6 Oct 27, 2008 11:48 am -0500 by James Cooper
Changes:
roles updated

Version: 1.5 Jul 18, 2008 3:20 pm -0500 by Connexions
Changes:
removed draft note

Version: 1.4 Jul 14, 2008 3:21 pm -0500 by Connexions
Changes:
image review

Version: 1.3 Jul 7, 2008 2:44 pm -0500 by Connexions
Changes:
post review updates

Version: 1.2 Jul 1, 2008 1:38 am -0500 by Jonathan Emmons
Changes:
Updated for consistency within collection

Version: 1.1 Jun 26, 2008 1:33 pm -0500 by Connexions
Changes:
Initial publication

How to Reuse and Attribute This Content

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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: Confidence Intervals: Confidence Interval for a Population Proportion
  • the OpenStax-CNX URL where the work can be found: http://cnx.org/content/m16963/1.20/

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. Confidence Intervals: Confidence Interval for a Population Proportion, OpenStax-CNX Web site. http://cnx.org/content/m16963/1.20/, Jun 9, 2012.

American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Confidence Intervals: Confidence Interval for a Population Proportion [OpenStax-CNX Web site]. June 9, 2012. Available at: http://cnx.org/content/m16963/1.20/.

American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2012, June 9). Confidence Intervals: Confidence Interval for a Population Proportion. Retrieved from the OpenStax-CNX Web site: http://cnx.org/content/m16963/1.20/

Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Confidence Intervals: Confidence Interval for a Population Proportion." OpenStax-CNX. June 9, 2012. http://cnx.org/content/m16963/1.20/.

Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Confidence Intervals: Confidence Interval for a Population Proportion," OpenStax-CNX, June 9, 2012, http://cnx.org/content/m16963/1.20/.

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

Dean, S., & Illowsky, B. 2012. Confidence Intervals: Confidence Interval for a Population Proportion. OpenStax-CNX, June 9, 2012. http://cnx.org/content/m16963/1.20/.

Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Confidence Intervals: Confidence Interval for a Population Proportion. OpenStax-CNX. 9 June 2012 <http://cnx.org/content/m16963/1.20/>.