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About: Confidence Intervals: Practice 1

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

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Name: Confidence Intervals: Practice 1
ID: m16970
Language: English (en)
Subject: Mathematics and Statistics
Keywords: elementary, statistics
License: Creative Commons Attribution License CC-BY 3.0

Authors: Susan Dean (, Barbara Illowsky, Ph.D. (
Copyright Holders: Maxfield Foundation (
Maintainers: Susan Dean (, Barbara Illowsky, Ph.D. (, Connexions (

Latest version: 1.13 (history)
First publication date: Jun 6, 2008 4:40 pm -0500
Last revision to module: Jun 6, 2012 7:01 am -0500


PDF: m16970_1.13.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m16970_1.13.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: 1.13 Jun 6, 2012 7:01 am -0500 by Susan Dean
Confidence Intervals: Practice 1: Changed "average" to "mean" where needed.

Version: 1.12 Jun 5, 2012 9:51 pm -0500 by Susan Dean
Confidence Intervals: Practice 1: Updated problem.

Version: 1.11 Mar 20, 2009 10:15 am -0500 by Susan Dean
 Confidence Intervals: Practice 1:  Added to the definition of Xbar "25 randomly selected."

Version: 1.10 Mar 19, 2009 8:50 pm -0500 by Susan Dean
Confidence Intervals: Practice 1: Added the word average to the definition of Xbar. 

Version: 1.9 Feb 18, 2009 8:07 pm -0600 by Connexions
Upconverted and added appropriate class attribute.

Version: 1.8 Jan 26, 2009 3:36 pm -0600 by Susan Dean
Confidence Intervals: Practice 1:  Changed the Student Learning Outcome to read: "The student will explore the properties of Confidence Intervals for Averages when the population standard deviation is known."

Version: 1.7 Oct 27, 2008 11:58 am -0500 by James Cooper
roles updated

Version: 1.6 Aug 15, 2008 3:45 pm -0500 by Connexions
uploaded handouts

Version: 1.5 Jul 21, 2008 2:57 am -0500 by Connexions
removed draft note

Version: 1.4 Jul 14, 2008 4:01 pm -0500 by Connexions
edited image width params and removed them

Version: 1.3 Jul 9, 2008 6:05 am -0500 by Connexions
Post review updates

Version: 1.2 Jul 7, 2008 2:48 pm -0500 by Connexions
post review updates

Version: 1.1 Jun 26, 2008 1:43 pm -0500 by Connexions
Initial publication

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