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Chapter 9 Two-Sample Tests

Chapter 9 Two-Sample Tests

Part II: Introduction to Hypothesis Testing. Chapter 9 Two-Sample Tests. Renee R. Ha, Ph.D. James C. Ha, Ph.D. Integrative Statistics for the Social & Behavioral Sciences. Paired t test. Also called Correlated Groups t test. Paired t test. Use when:

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Select The After Data For Variable 1 Range Focus Dreams/tutorialoutletdotcom

Select The After Data For Variable 1 Range Focus Dreams/tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com Refer to the Weight Watchers file below: Use excel to test. For each paired difference, compute After - Before. In Data Analysis, t-test: Paired Two Sample for means, select the After data for Variable 1 Range. Note that the critical value output by Data Analysis for this test is always positive. In this problem, the sign of the critical value is negative corresponding to a 1-tailed test with lower reject region and negative lower critical value.

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Select The After Data For Variable 1 Range Something Great /tutorialoutletdotcom

Select The After Data For Variable 1 Range Something Great /tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com Refer to the Weight Watchers file below: Use excel to test. For each paired difference, compute After - Before. In Data Analysis, t-test: Paired Two Sample for means, select the After data for Variable 1 Range. Note that the critical value output by Data Analysis for this test is always positive. In this problem, the sign of the critical value is negative corresponding to a 1-tailed test with lower reject region and negative lower critical value.

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38 views • 3 slides

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