You are considering four independent variables for inclusion in a regression model. You select a sample of

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You are considering four independent variables for inclusion in a regression model. You select a sample of n = 30, with the following results:
1. The model that includes independent variables A and B has a Cp value equal to 4.6.
2. The model that includes independent variables A and C has a Cp value equal to 2.4.
3. The model that includes independent variables A, B, and C has a Cp value equal to 2.7.
a. Which models meet the criterion for further consideration? Explain.
b. How would you compare the model that contains independent variables A, B, and C to the model that contains independent variables A and B? Explain.
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Statistics For Managers Using Microsoft Excel

ISBN: 772

7th Edition

Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat

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