Question: Reconsider the data and model estimated in Exercise 6.15. (a) Add the variables LIVAREA2 and AGE2 to the model, re-estimate it, and report the results.
Reconsider the data and model estimated in Exercise 6.15.
(a) Add the variables LIVAREA2 and AGE2 to the model, re-estimate it, and report the results.
250 FURTHER INFERENCE IN THE MULTIPLE REGRESSION MODEL
(b) Does an F-test suggest that the addition of LIVAREA2 and AGE2 has improved the model? Use a ¼ 0.05.
(c) Answer parts (b)–
(e) of Exercise 6.15 using the new specification.
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