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

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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

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

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

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

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Definition 10.2

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Definition 10.3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure MINITAB printout for one sample t-test for pH meter

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.5 Two Samples: Tests on Two Means

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.2 Data for Case Study 10.1

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure SAS printout of paired t-test for data of Case Study 10.1

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.6 Choice of Sample Size for Testing Means

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.3 Tests Concerning Means

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Testing  =  o versus  =  o + 

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Testing  1  2   d o versus  1  2  d   

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.7 Graphical Methods for Comparing Means

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Two box-and whisker plots of plasma ascorbic acid in smokers and nonsmokers

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Two box-and-whisker plots of seedling data

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure SAS printout for two-sample t-test

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.8 One Sample: Test on a Single Proportion

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section 10.9 Two Samples: Tests on Two Proportions

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section One- and Two- Sample Tests Concerning Variances

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Critical region for the alternative hypothesis  > 0.9

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

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section Goodness-of-Fit Test

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.4 Observed and Expected Frequencies of 120 Tosses of a Die

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.5 Observed and Expected Frequencies of Battery Lives, Assuming Normality

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section Test for Independence (Categorical Data)

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

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.7 Observes and Expected Frequencies

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section Test for Homogeneity

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.8 Observed Frequencies

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table 10.9 Observed and Expected Frequencies

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table k Independent Binomial Samples

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table Data for Example 10.15

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table Observed and Expected Frequencies

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Section Two-Sample Case Study

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Table Data for Two- Sample Case Study

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Normal quantile- quantile plot of data for alloy A

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Normal quantile- quantile plot of data for alloy B

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Box-and-whisker plots for both alloys

Copyright © 2010 Pearson Addison-Wesley. All rights reserved Figure Annotated SAS printout for alloy data

Copyright © 2010 Pearson Addison-Wesley. All rights reserved. Potential Misconceptions and Hazards; Relationship to Material in Other Chapters Section 10.15