Chulalongkorn University
: Master of Arts Program in Business and Managerial EconomicsEconomics 29490605(FT) Chairat Aemkulwat
Quantitative Methods in Economic Analysis 1st Term, 2015
Eviews Exercise
Due: Thursday, August 6, 2015, 9:00 A.M. in class. You have to submit homework in class before due time. Late homework will not be accepted.
Instruction: Answer all questions. HOMEWORK MUST BE HANDWRITTEN.
Nevertheless, when asking to use Eviews, you have to answer by copying results from Eviews and pasting in Word from which you get a computer print-out. Credit will not be given to photocopying or duplication of files.
1. Use Eviews to find the correlation between ACT and GPA. What is the formula for sample correlation? What does it mean?
2. Use Eviews to find the sample means and variances of ACT and GPA. What the formulas are for sample average and sample variance? What is the difference between variance and standard deviation?
3. Use Eviews to draw the scattergram to study the effect of ACT on GPA. Make sure that GPA is on the vertical axis and ACT is on the horizontal axis. Comment on the direction of the relationship.
4. Use Eviews to estimate the following model, GPAi = 0 +2ACTi + ui
What kinds of factors are contained in u?
