Consider the estimated equation from Example 4.3, which can be used to study the effects of skipping class on college GPA: 11eb9ee2_f08a_fce9_8edd_55fd6ec33193_SM2712_00 (i) Using the standard normal approximation, find the 95% confidence interval for hsGPA. (ii) Can you reject the hypothesis H0: 11eb9ee2_f08a_fcea_8edd_0dfe61e60caf_SM2712_00 hsGPA =.4 against the two-sided alternative at the 5% level (iii) Can you reject the hypothesis H0: 11eb9ee2_f08a_fceb_8edd_d5c502392d30_SM2712_00 hsGPA = 1 against the two-sided alternative at the 5% level

Introductory Econometrics 4th Edition by Jeffrey Wooldridge

النسخة 4الرقم المعياري الدولي: 978-0324660609

النسخة 4الرقم المعياري الدولي: 978-0324660609

تمرين 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

التوضيح

موثّق

(i)
Given that and its standard error ...