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chapter10 - Chapter 10 The t Test for Two Independent...

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Chapter 10 The t Test for Two Independent Samples PowerPoint Lecture Slides Essentials of Statistics for the Behavioral Sciences Seventh Edition by Frederick J Gravetter and Larry B. Wallnau
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Chapter 10 Learning Outcomes
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Concepts to review Sample variance (Chapter 4) Standard error formulas (Chapter 7) The t statistic (chapter 9) Distribution of t values df for the t statistic Estimated standard error
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10.1 Introduction to the Independent Measures Design Most research studies compare two or more sets of data Data from two completely separate groups, or between subjects designs Data from the same or related groups of subjects or repeated measures designs The first is studied in this chapter.
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Figure 10.1 Independent subjects research design
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10.2 The t -statistic for an independent measures design Null hypothesis for independent measures test Alternative hypothesis for the independent measures test Rounded Rectangle 4 0 : 2 1 0 = - μ μ Η 0 : 2 1 1 - μ
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chapter10 - Chapter 10 The t Test for Two Independent...

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