Consider the estimated eq

Consider the estimated eq

Consider the estimated equation from Example 4.3, which can be used to study the effectsof skipping class on college GPA:(i)   Using the standard normal approximation, find the 95% confidence interval for bhsGPA .(ii)   Can you reject the hypothesis H 0 : bhsGPA 5 .4 against the two-sided alternative at the5% level?(iii)   Can you reject the hypothesis H 0 : bhsGPA 5 1 against the two-sided alternative at the5% level?

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