Slide 13-1

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Education, Inc.

Slide 13-2Copyright © 2012, 2008, 2005 Pearson Education, Inc.

Chapter 13

Chi-Square Procedures

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Section 13.1

The Chi-Square Distribution

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Figure 13.1x2-curves for df = 5, 10, and 19

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Key Fact 13.1

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Section 13.2

Chi-Square Goodness-of-Fit Test

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Table 13.3Expected frequencies if last year’s violent-crime distribution

is the same as the 2000 distribution

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Table 13.4Calculating the goodness of fit

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Procedure 13.1

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Procedure 13.1 (cont.)

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Section 13.3

Contingency Tables; Association

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Political party affiliation and class level for students in introductory statistics

Table 13.7

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Table 13.8Preliminary contingency table for political party affiliation

and class level

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Table 13.9Contingency table for political party affiliation and class

level

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Table 13.10Conditional distributions of political party affiliation by class

level

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Figure 13.4Segmented bar graph for the conditional distributions and

marginal distribution of political party affiliation

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Section 13.4

Chi-Square Independence Test

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Table 13.13Contingency table of marital status and alcohol

consumption for 1772 randomly selected U.S. adults

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Table 13.14Observed and expected frequencies for marital status and alcohol

consumption (expected frequencies printed below observed frequencies)

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Procedure 13.2

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Procedure 13.2 (cont.)