Chapter 13 Outline Section 1

Chapter 13 Outline Section 1 - CHAPTER 13: Experimental...

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CHAPTER 13: Experimental Design and Analysis of Variance I. Section 13.1: Introduction A. In Chapter 9, we discussed tests of hypotheses for one population. Chapter 13 extends hypothesis testing in that it provides procedures for testing differences between TWO or MORE populations, or groups. B. The procedure to be used is referred to as Analysis of Variance (ANOVA) . C. We will discuss THREE common approaches to ANOVA. Each differs in its specific purpose and the computations differ slightly to reflect those differences.
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D. Examples of Experiments that use ANOVA 1. Your company trains new employees. Q: Do the training methods differ in effectiveness? 2. Your company has morning, day, and evening shifts. Q: Do the shifts differ in production rates? 3. Your advertising section has developed several ads. Q: Do the ads differ in the amount of sales generated? 4. Your company produces paint. Q: Do the different formulae differ in the drying times?
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E. Definitions: 1. Dependent or Response Variable
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Chapter 13 Outline Section 1 - CHAPTER 13: Experimental...

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