In a study relating college grade point average to time spent in various activities, you distribute a
Question:
(i) In the model
GPA = (0 + (1 study + (2 sleep + (3 work + (4 leisure + u,
Does it make sense to hold sleep, work, and leisure fixed, while changing study?
(ii) Explain why this model violates Assumption MLR.3.
(iii) How could you reformulate the model so that its parameters have a useful interpretation and it satisfies Assumption MLR.3?
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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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