Transcription of Chapter 7: Modeling Relationships of Multiple Variables ...
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Chapter 7: Modeling Relationships of Multiple Variables with linear regression Overview Chapters 5 and 6 examined methods to test Relationships between two Variables . Many research projects, however, require analyses to test the Relationships of Multiple independent Variables with a dependent variable . This Chapter describes why researchers use Modeling and then examines one of the most powerful Modeling approaches: linear regression . We show how to interpret regression statistics and graph linear regressions using the STATES10 data.
Chapter 7 • Modeling Relationships of Multiple Variables with Linear Regression 165 Figure 7.2 contains the resulting regression output. We will concentrate on three groups of statistics from this output: the coefficients, the significance tests, and the R square statistic. Figure 7.2 Regression Output Interpreting the ANOVA F-test
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