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# About: Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2

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

 Name: Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2 ID: m17039 Language: English (en) Summary: This module provides a practice of Hypothesis Testing: Two Population Means and Two Population Proportions: as a part of Collaborative Statistics collection (col10522) by Barbara Illowsky and Susan Dean. 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 22, 2008 7:54 pm -0500 Last revision to module: Jun 14, 2012 10:04 pm -0500

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## Version History

 Version: 1.12 Jun 14, 2012 10:04 pm -0500 by Changes: `Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2: Changed "average" to "mean."` Version: 1.11 Jun 14, 2012 9:56 pm -0500 by Changes: `Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2: Changed "average" to "mean."` Version: 1.10 Jun 11, 2012 6:11 am -0500 by Changes: `Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2: Minor edits.` Version: 1.9 Jun 11, 2012 5:26 am -0500 by Changes: `Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2: Minor edits.` Version: 1.8 Apr 6, 2010 10:14 am -0500 by Changes: `Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2: Exercise 5 answer changed to, "The difference between the average life spans of whites and nonwhites."` Version: 1.7 Feb 19, 2009 2:09 pm -0600 by Changes: `added class attribute` Version: 1.6 Oct 27, 2008 5:20 pm -0500 by Changes: `roles updated` Version: 1.5 Aug 15, 2008 12:15 pm -0500 by Changes: `uploaded handouts` Version: 1.4 Jul 16, 2008 3:40 pm -0500 by Changes: `fixed math and metadata` Version: 1.3 Jul 9, 2008 6:57 am -0500 by Changes: `Post review edits` Version: 1.2 Jul 7, 2008 4:13 pm -0500 by Changes: `post review updates` Version: 1.1 Jun 26, 2008 2:51 pm -0500 by Changes: `Initial publication`

## How to Reuse and Attribute This Content

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• the authors' names: Susan Dean, Barbara Illowsky
• the title of the work: Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2
• the Connexions URL where the work can be found: http://cnx.org/content/m17039/1.12/

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. Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2, Connexions Web site. http://cnx.org/content/m17039/1.12/, Jun 14, 2012.

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

Dean S, Illowsky B. Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2 [Connexions Web site]. June 14, 2012. Available at: http://cnx.org/content/m17039/1.12/.

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

Dean, S., & Illowsky, B. (2012, June 14). Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2. Retrieved from the Connexions Web site: http://cnx.org/content/m17039/1.12/

### Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2." Connexions. June 14, 2012. http://cnx.org/content/m17039/1.12/.

### Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2," Connexions, June 14, 2012, http://cnx.org/content/m17039/1.12/.

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

Dean, S., & Illowsky, B. 2012. Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2. Connexions, June 14, 2012. http://cnx.org/content/m17039/1.12/.

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

Dean, Susan, and Barbara Illowsky. Hypothesis Testing: Two Population Means and Two Population Proportions: Practice 2. Connexions. 14 June 2012 <http://cnx.org/content/m17039/1.12/>.