OpenStax CNX

Sections
You are here: Home » Content » Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations

About: Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations

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

View the content: Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations

Metadata

Name: Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations
ID: m17042
Language: English (en)
Summary: This module provides an overview of hypothesis testing in situations where there are both two independent population means and known population standard deviations in statistics.
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: 1.10 (history)
First publication date: Jun 17, 2008 4:27 pm +0000
Last revision to module: Jun 14, 2012 8:35 pm +0000

Downloads

PDF: m17042_1.10.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m17042_1.10.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: 1.10 Jun 14, 2012 8:35 pm +0000 by Susan Dean
Changes:
Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations: Added " mean time wax 1 lasts is longer (wax 1 is more effective) than the mean time wax 2 lasts" to the conclusion of example. Added condition that populations are normal.

Version: 1.9 Jun 11, 2012 7:40 am +0000 by Susan Dean
Changes:
Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations: Updated graph.  Changed "average" to "mean" where needed.

Version: 1.8 Feb 4, 2009 5:42 pm +0000 by Susan Dean
Changes:
Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations:  Took out the phrase "because usually you have two setts of data."

Version: 1.7 Oct 27, 2008 5:39 pm +0000 by James Cooper
Changes:
roles updated

Version: 1.6 Jul 31, 2008 10:59 am +0000 by Connexions
Changes:
removed draft note

Version: 1.5 Jul 9, 2008 3:16 pm +0000 by Connexions
Changes:
table corrections

Version: 1.4 Jul 8, 2008 7:40 pm +0000 by Connexions
Changes:
post review edits

Version: 1.3 Jul 7, 2008 4:16 pm +0000 by Connexions
Changes:
post review updates

Version: 1.2 Jul 2, 2008 10:47 pm +0000 by Connexions
Changes:
Added equation tags, corrected wrong subscript for u2.

Version: 1.1 Jun 26, 2008 2:53 pm +0000 by Connexions
Changes:
Initial publication

How to Reuse and Attribute This Content

If you derive a copy of this content using a OpenStax-CNX account and publish your version, proper attribution of the original work will be automatically done for you.

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: Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations
  • the OpenStax-CNX URL where the work can be found: http://cnx.org/content/m17042/1.10/

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: Comparing Two Independent Population Means with Known Population Standard Deviations, OpenStax-CNX Web site. http://cnx.org/content/m17042/1.10/, Jun 14, 2012.

American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations [OpenStax-CNX Web site]. June 14, 2012. Available at: http://cnx.org/content/m17042/1.10/.

American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2012, June 14). Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations. Retrieved from the OpenStax-CNX Web site: http://cnx.org/content/m17042/1.10/

Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations." OpenStax-CNX. June 14, 2012. http://cnx.org/content/m17042/1.10/.

Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations," OpenStax-CNX, June 14, 2012, http://cnx.org/content/m17042/1.10/.

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

Dean, S., & Illowsky, B. 2012. Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations. OpenStax-CNX, June 14, 2012. http://cnx.org/content/m17042/1.10/.

Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Hypothesis Testing: Two Population Means and Two Population Proportions: Comparing Two Independent Population Means with Known Population Standard Deviations. OpenStax-CNX. 14 June 2012 <http://cnx.org/content/m17042/1.10/>.