EC 420, Spring 2007 Midterm Show all your work. You will have the entire class period to complete this exam. This exam is "open book" but "closed note"; you may use the course text (Wooldridge), but you cannot use notes, old homework questions and an
EC 420, Spring 2008 Midterm Show all necessary work. You will have the entire class period to complete this exam. This exam is "open book" but "closed note"; you may use the course text (Wooldridge), but notes, old homework questions and answers, etc
Homework 3 Solutions
Due by 8 PM (EDT) July 25th
(worth 53 points total)
1. Assume that there is a population regression model
= 0 + 1 1 + 2 2 + 3 3 +
and that the model satisfies assumptions MLR1 through MLR5 in the population.
Indicate, without explan
Homework 4
Due by 8 PM (EDT) August 1st
(Worth 42 points total)
1. Short Answer (3 points each):
a. Agree or Disagree (and justify your answer): If the distribution of u in a population regression
model is not normal, then the OLS estimators are not BLUE.
Homework 2 Solutions
Due by 8 PM (EDT) July 18th
(This assignment is worth 45 points total. Each part of each question is worth 3 points.)
1. True or False, explain (Say whether each statement answer is true or false, then explain why.
Your grade depends
Homework 1 Solutions
(This assignment is worth 45 points total. Each part (for example, 1 b. or 3 a.) is worth 3 points)
1. You work for a company that has developed a computer-based individual tutoring program for
2nd graders, in which students use reces
Homework 3
Due by 8 PM (EDT) July 25th
(worth 53 points total)
1. Assume that there is a population regression model
= 0 + 1 1 + 2 2 + 3 3 +
and that the model satisfies assumptions MLR1 through MLR5 in the population.
Indicate, without explanation, whe
Homework 2
Due by 8 PM (EDT) July 18th
(This assignment is worth 45 points total. Each part of each question is worth 3 points.)
1. True or False, explain (Say whether each statement answer is true or false, then explain why.
Your grade depends on the qua
Homework 1
Due by 8 PM (EDT) July 11th
(This assignment is worth 45 points total. Each part (for example, 1b. or 3a.) is worth 3 points)
1. You work for a company that has developed a computer-based individual tutoring program for
2nd graders, in which st
Homework 3
Due by 8 PM (EDT) July 25th
(worth 53 points total)
1. Assume that there is a population regression model
= 0 + 1 1 + 2 2 + 3 3 +
and that the model satisfies assumptions MLR1 through MLR5 in the population.
Indicate, without explanation, whe
1.
a.
b.
c.
d.
e.
True
True
False
False
False
2.
a. Thisisagoodideabecausenotonlydoessizeofahouseplayalargefactorin
determiningthepriceofahouse,butitalsowouldbeanexplanatoryvariablewithlittleto
nocorrelationtotheamountofpollutioninacommunitymakingitanappr