Chapter 13 Inference for Tables: Chi-Square Procedures AP Statistics 13 – Chi-Square Tests.
Slide 13-1 Copyright © 2012, 2008, 2005 Pearson Education, Inc. Chapter 13 Chi-Square Procedures.
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Transcript of Slide 13-1 Copyright © 2012, 2008, 2005 Pearson Education, Inc. Chapter 13 Chi-Square Procedures.
![Page 1: Slide 13-1 Copyright © 2012, 2008, 2005 Pearson Education, Inc. Chapter 13 Chi-Square Procedures.](https://reader035.fdocuments.us/reader035/viewer/2022062401/5a4d1b1b7f8b9ab0599935cf/html5/thumbnails/1.jpg)
Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-1
Chapter 13Chi-Square Procedures
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-2
Section 13.1The Chi-Square Distribution
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-3
Figure 13.1x2-curves for df = 5, 10, and 19
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-4
Key Fact 13.1
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-5
Section 13.2Chi-Square Goodness-of-Fit
Test
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-6
Table 13.3Expected frequencies if last year’s violent-crime distribution is the same as the 2000 distribution
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-7
Table 13.4Calculating the goodness of fit
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-8
Procedure 13.1
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-9
Procedure 13.1 (cont.)
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-10
Section 13.3Contingency Tables;
Association
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-11
Political party affiliation and class level for students in introductory statisticsTable 13.7
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-12
Table 13.8Preliminary contingency table for political party affiliation and class level
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-13
Table 13.9Contingency table for political party affiliation and class level
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-14
Table 13.10Conditional distributions of political party affiliation by class level
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-15
Figure 13.4Segmented bar graph for the conditional distributions and marginal distribution of political party affiliation
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-16
Section 13.4Chi-Square Independence
Test
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-17
Table 13.13Contingency table of marital status and alcohol consumption for 1772 randomly selected U.S. adults
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-18
Table 13.14Observed and expected frequencies for marital status and alcohol consumption (expected frequencies printed below observed frequencies)
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-19
Procedure 13.2
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Copyright © 2012, 2008, 2005 Pearson Education, Inc. Slide 13-20
Procedure 13.2 (cont.)