{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Sketched out answers Final Econ140A 2011Fall

Sketched out answers Final Econ140A 2011Fall - Economics...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Economics 140A Fall 2011 Professor Startz Sketched Out Final Exam Answers Note that not all the details are shown here. The sketches here are just to point you in the right direction. A good exam answer would have more details. 1. Since the coefficient on SUM is 1.876 losing three yeses is predicted to lower the vote by There are degrees of freedom. The critical value from the t- table is 2.028. So the 95 percent confidence interval is ( ) ( ) . With 9 yeses the forecast is . The critical value for a 99% confidence interval is 2.719. The variance of the forecast is . The standard error is So the 99 percent confidence interval is ( ) 2. The estimated marginal effect is . The second question calls for an F- test. ( ) ( ) ( ) Since the critical value at the 5 percent level is 3.00, we strongly reject. 3. We have ̂ ( ) ( ) ( ) ( ̂) ( ) ( ) ( ) ( ̂) (( ̂ ( ̂)) ) (( ) ) ( ( ) ( ) ( ) ( ( ) ( ) ( )) 4. In the first regression the Durbin- Watson isn’t very high. While the table doesn’t go up to as many observations as we have, you would probably reject no serial correlation…but not very strongly. In contrast, the Breusch
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern