Exercise for Chapter 7

The following output ( countryoutputp1.jpg & countryoutputp2.jpg ) was generated from conducting a forward multiple regression to identify which IVs ( urban, birthrat, Inphone, and Inradio ) predict Ingdp . The data that were analyzed were from the SPSS country.sav data file.

We need to:

• Evaluate the tolerance statistics. Is multicollinearity a problem?
• What variables create the model to predict Ingdp ? What statistics support our response?
• Is the model significant in predicting Ingdp ? Explain.
• What percentage of variance in Ingdp is explained by the model?
• Write the regression equation for Ingdp .

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Solution: The downloadable solution consists of 3 pages, 230 words and 5 charts.
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