Essay
You have obtained data on test scores and student-teacher ratios in region A and region B of your state.Region B,on average,has lower student-teacher ratios than region A.You decide to run the following regression where
is the class size in region A,
is the difference in class size between region A and B,and
is the class size in region B.Your regression package shows a message indicating that it cannot estimate the above equation.What is the problem here and how can it be fixed?
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Assume that you have collected cross-sectional data
Q3: In the multiple regression model Yi =
Q6: You have collected data on individuals and
Q8: You would like to find the effect
Q9: (Requires Calculus)For the simple linear regression model
Q11: You have collected data for 104 countries
Q15: In the multiple regression with two explanatory
Q28: You try to establish that there is
Q29: Your econometrics textbook stated that there will
Q48: One of your peers wants to analyze