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Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

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Presentation on theme: "Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses."— Presentation transcript:

1 Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses

2 Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.1 Statistical Hypotheses: General Concepts

3 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Definition 10.1

4 Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.2 Testing a Statistical Hypothesis

5 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.1 Decision criterion for testing p = 0.25 versus p > 0.25

6 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.1 Possible Situations for Testing a Statistical Hypothesis

7 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.2 Probability of a type I error

8 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.3 Probability of a type II error

9 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.4 Critical region (in blue)

10 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.5 Critical Region for testing  = 68 versus  68

11 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.6 Probability of type II error for testing  = 68 versus  = 70

12 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.7 Type II error for testing  = 68 versus  = 68.5

13 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Definition 10.4

14 Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.3 The Use of P-Values for Decision Making in Testing Hypotheses

15 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.8 Data that are likely generated from populations having two different means

16 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Definition 10.5

17 Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.4 Single Sample: Tests Concerning a Single Mean

18 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure 10.9 Critical region for the alternative hypothesis

19 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure P-value for Example 10.3

20 Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure P-value for Example 10.4


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