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About: Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal

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

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Name: Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal
ID: m16962
Language: English (en)
Summary:
Subject: Mathematics and Statistics
Keywords: elementary, statistics
License: Creative Commons Attribution License CC-BY 2.0

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

Latest version: 1.14 (history)
First publication date: Jun 6, 2008 4:34 pm GMT-5
Last revision to module: Feb 24, 2009 5:29 pm US/Central

Module XML: m16962_1.14.cnxml

Version History

Version: 1.14 Feb 24, 2009 5:29 pm US/Central by Jonathan Emmons
Changes:
Corrected markup for section title

Version: 1.13 Feb 20, 2009 10:21 pm US/Central by Susan Dean
Changes:
Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal:  Update glossary items. 

Version: 1.12 Jan 28, 2009 10:16 am US/Central by Susan Dean
Changes:
Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal: At the end of the modules, added a section on "Calculating the Sample Size n."

Version: 1.11 Jan 26, 2009 3:24 pm US/Central by Susan Dean
Changes:
Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal:  Changed Example 3 Problem 2 answer c to: z(alpha/2) changes from 1.645 to 1.96."

Version: 1.10 Jan 26, 2009 2:55 pm US/Central by Susan Dean
Changes:
 Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal: Changed part Example 3 Problem 2 part c to read "We increase the confidence level from 0.90 to 0.95."

Version: 1.9 Jan 26, 2009 1:05 pm US/Central by Susan Dean
Changes:
Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal:  After the sentence "Leave everything the same except the sample size," added the sentence "For this problem, we can examine the impact
of changing n to 100 or changing n to 25."

Version: 1.8 Jan 26, 2009 12:43 pm US/Central by Susan Dean
Changes:
Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal: Defined alpha.  To the glossary. added "(CL)" to "Confidence Level."

Version: 1.7 Oct 27, 2008 11:30 am GMT-5 by James Cooper
Changes:
roles updated

Version: 1.6 Jul 18, 2008 3:51 pm GMT-5 by Connexions
Changes:
removed draft note

Version: 1.5 Jul 16, 2008 5:35 pm GMT-5 by Raymond Wagner
Changes:
fixed text, math typos

Version: 1.4 Jul 9, 2008 6:45 am GMT-5 by Connexions
Changes:
Post review edits

Version: 1.3 Jul 7, 2008 2:37 pm GMT-5 by Connexions
Changes:
post review updates

Version: 1.2 Jul 1, 2008 1:36 am GMT-5 by Jonathan Emmons
Changes:
Updated for consistency within collection

Version: 1.1 Jun 26, 2008 1:31 pm GMT-5 by Connexions
Changes:
Initial publication

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American Chemical Society (ACS) Style Guide:

Dean, S.; Illowsky, B. Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal, Connexions Web site. http://cnx.org/content/m16962/1.14/, Feb 24, 2009.

American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal [Connexions Web site]. February 24, 2009. Available at: http://cnx.org/content/m16962/1.14/.

American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2009, February 24). Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal. Retrieved from the Connexions Web site: http://cnx.org/content/m16962/1.14/

Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal." Connexions. February 24, 2009. http://cnx.org/content/m16962/1.14/.

Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal," Connexions, February 24, 2009, http://cnx.org/content/m16962/1.14/.

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

Dean, S., & Illowsky, B. 2009. Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal. Connexions, February 24, 2009. http://cnx.org/content/m16962/1.14/.

Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Confidence Intervals: Confidence Interval, Single Population Mean, Population Standard Deviation Known, Normal. Connexions. 24 Feb. 2009 <http://cnx.org/content/m16962/1.14/>.