A multiple regression model has k = 3 explanatory variables. The coefficient of determination, R2, is found
Question:
A multiple regression model has k = 3 explanatory variables. The coefficient of determination, R2, is found to be 0.653 based on a sample of n = 25 observations.
(a) Compute the adjusted R2.
(b) Compute the F-test statistic.
(c) If one additional explanatory variable is added to the model and R2 increases to 0.665, compute the adjusted R2. Would you recommend adding the additional explanatory variable to the model? Why or why not?
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a b c Do not add the new va...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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