In Example 7.2, let noPC be a dummy variable equal to one if the student does not
Question:
(ii) What will happen to the R-squared if noPC is used in place of PC?
(iii) Should PC and noPC both be included as independent variables in the model? Explain.
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Related Book For
Introductory Econometrics A Modern Approach
ISBN: 978-0324660548
4th edition
Authors: Jeffrey M. Wooldridge
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