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Aron chpt 9 ed f2011

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Chapter 9: t-test for Independent Means Arthur Aron, Elaine N. Aron, Elliot Coups
t Tests for Independent Means ,[object Object],[object Object],[object Object]
The Distribution of Differences Between Means ,[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
The Logic of a Distribution of Differences Between Means ,[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Mean of the Distribution of Differences Between Means ,[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Estimating the Population Variance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Figuring the Variance of Each of the Two Distributions of Means ,[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
The Variance and Standard Deviation of the Distribution of Differences Between Means ,[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Steps to Find the Standard Deviation of the Distribution of Differences Between Means ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
The Shape of the Distribution of Differences Between Means ,[object Object],[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
The t score for the Difference Between the Two Actual Means ,[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Hypothesis Testing with a t Test for Independent Means ,[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved Example of The t Test for Independent Means: Background
Step One: Restate Question into Research and Null Hypotheses ,[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Step Two: Determine Characteristics of Comparison Distribution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Step Three: Determine cutoff scores from t table ,[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
[object Object],[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved Step Four: Determine your sample’s score (calculate t)
Step Five: Decide whether to reject the null ,[object Object],[object Object],[object Object],Copyright © 2011 by Pearson Education, Inc. All rights reserved
Review of the t Test for a Single Sample, t Test for Dependent Means, and the t Test for Independent Means ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Aron chpt 9 ed f2011

  • 1. Chapter 9: t-test for Independent Means Arthur Aron, Elaine N. Aron, Elliot Coups
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