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About: Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T

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

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Name: Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T
ID: m16959
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: 1.11 (history)
First publication date: Jun 6, 2008 4:36 pm GMT-5
Last revision to module: Feb 20, 2009 10:29 pm US/Central
Module XML: m16959_1.11.cnxml

Version History

Version: 1.11 Feb 20, 2009 10:29 pm US/Central by Susan Dean
Changes: 
Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T:  Updated glossary item confidence interval
Version: 1.10 Jan 26, 2009 2:36 pm US/Central by Susan Dean
Changes: 
Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T: Added to the third fact about the Student-t the sentence "In the real world, however, as long as the underlying population is large and bell-shaped, and the data are a simple random sample, practitioners often consider the assumptions met."  Added to the reference to the Student-t table "See the Table of Contents 15. Table."
Version: 1.9 Jan 7, 2009 5:38 pm US/Central by Susan Dean
Changes: 
In the Glossary Normal Distribution entry, changed the sentence "...the standard normal distribution or z-score" to "...the standard normal distribution or distribution of z-scores."
Version: 1.8 Jan 7, 2009 5:19 pm US/Central by Susan Dean
Changes: 
From the Glossary, took out the z-score formula information.
Version: 1.7 Oct 27, 2008 11:40 am GMT-5 by James Cooper
Changes: 
roles updated
Version: 1.6 Jul 21, 2008 2:53 am GMT-5 by Connexions
Changes: 
removed draft note
Version: 1.5 Jul 16, 2008 5:37 pm GMT-5 by Raymond Wagner
Changes: 
fixed math typos
Version: 1.4 Jul 14, 2008 3:24 pm GMT-5 by Connexions
Changes: 
image review
Version: 1.3 Jul 7, 2008 2:41 pm GMT-5 by Connexions
Changes: 
post review updates
Version: 1.2 Jul 1, 2008 1:37 am GMT-5 by Jonathan Emmons
Changes: 
Updated for consistency within collection
Version: 1.1 Jun 26, 2008 1:26 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, Standard Deviation Unknown, Student-T, Connexions Web site. http://cnx.org/content/m16959/1.11/, Feb 20, 2009.

American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T [Connexions Web site]. February 20, 2009. Available at: http://cnx.org/content/m16959/1.11/.

American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2009, February 20). Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T. Retrieved from the Connexions Web site: http://cnx.org/content/m16959/1.11/

Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T." Connexions. February 20, 2009. http://cnx.org/content/m16959/1.11/.

Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T," Connexions, February 20, 2009, http://cnx.org/content/m16959/1.11/.

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

Dean, S., & Illowsky, B. 2009. Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T. Connexions, February 20, 2009. http://cnx.org/content/m16959/1.11/.

Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Confidence Intervals: Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student-T. Connexions. 20 Feb. 2009 <http://cnx.org/content/m16959/1.11/>.