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Introductory Econometrics 4th Edition by Jeffrey Wooldridge
Edition 4ISBN: 978-0324660609Introductory Econometrics 4th Edition by Jeffrey Wooldridge
Edition 4ISBN: 978-0324660609 Exercise 11
Consider the estimated equation from Example 4.3, which can be used to study the effects of skipping class on college GPA: 
(i) Using the standard normal approximation, find the 95% confidence interval for
hsGPA.
(ii) Can you reject the hypothesis H0:
hsGPA =.4 against the two-sided alternative at the 5% level
(iii) Can you reject the hypothesis H0:
hsGPA = 1 against the two-sided alternative at the 5% level
(i) Using the standard normal approximation, find the 95% confidence interval for
hsGPA.
(ii) Can you reject the hypothesis H0:
hsGPA =.4 against the two-sided alternative at the 5% level (iii) Can you reject the hypothesis H0:
hsGPA = 1 against the two-sided alternative at the 5% levelExplanation
Verified
Verified
(i)
Given that 
and its standard error ...
Introductory Econometrics 4th Edition by Jeffrey Wooldridge
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