+ All Categories
Home > Documents > Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests...

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

Date post: 01-Apr-2015
Category:
Upload: alia-capener
View: 226 times
Download: 1 times
Share this document with a friend
20
Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses
Transcript
Page 1: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved.

Chapter 10

One- and Two-Sample Tests of Hypotheses

Page 2: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved.

Section 10.1

Statistical Hypotheses: General Concepts

Page 3: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 3

Definition 10.1

Page 4: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved.

Section 10.2

Testing a Statistical Hypothesis

Page 5: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 5

Figure 10.1 Decision criterion for testing p = 0.25 versus p > 0.25

Page 6: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 6

Table 10.1 Possible Situations for Testing a Statistical Hypothesis

Page 7: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 7

Figure 10.2 Probability of a type I error

Page 8: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 8

Figure 10.3 Probability of a type II error

Page 9: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 9

Figure 10.4 Critical region (in blue)

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

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 10

Figure 10.5 Critical Region for testing = 68 versus 68

Page 11: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 11

Figure 10.6 Probability of type II error for testing = 68 versus = 70

Page 12: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 12

Figure 10.7 Type II error for testing = 68 versus = 68.5

Page 13: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 13

Definition 10.4

Page 14: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved.

Section 10.3

The Use of P-Values for Decision Making in Testing Hypotheses

Page 15: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 15

Figure 10.8 Data that are likely generated from populations having two different means

Page 16: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 16

Definition 10.5

Page 17: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved.

Section 10.4

Single Sample: Tests Concerning a Single Mean

Page 18: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 18

Figure 10.9 Critical region for the alternative hypothesis

Page 19: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 19

Figure 10.10 P-value for Example 10.3

Page 20: Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Chapter 10 One- and Two-Sample Tests of Hypotheses.

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. 10 - 20

Figure 10.11 P-value for Example 10.4


Recommended