Amy investigates the impact of lecture attendance (LECTURE), tutorial attendance (TUTORIAL), study hours (STUDY) and party hours (PARTY) on the module test mark of a sample of 125 first-year Microeconomics students. In the first regression, she imposes the restrictions that the slope parameters of LECTURE and TUTORIAL are zero, and the R2 of this regression is 0.4777. There are no restrictions imposed in the second regression (i.e. all four slope parameters are non-zero), and the R2 of this regression is 0.6355. Test if it is correct to impose the abovementioned restrictions in the first regression at α = 1%.
Amy investigates the impact of lecture attendance (LECTURE), tutorial attendance (TUTORIAL), study hours (STUDY) and party hours (PARTY) on the module test mark of a sample of 125 first-year Microeconomics students. In the first regression, she imposes the restrictions that the slope parameters of LECTURE and TUTORIAL are zero, and the R2 of this regression is 0.4777. There are no restrictions imposed in the second regression (i.e. all four slope parameters are non-zero), and the R2 of this regression is 0.6355. Test if it is correct to impose the abovementioned restrictions in the first regression at α = 1%.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Amy investigates the impact of lecture attendance (LECTURE), tutorial attendance (TUTORIAL), study hours (STUDY) and party hours (PARTY) on the module test mark of a sample of 125 first-year Microeconomics students. In the first regression, she imposes the restrictions that the slope parameters of LECTURE and TUTORIAL are zero, and the R2 of this regression is 0.4777. There are no restrictions imposed in the second regression (i.e. all four slope parameters are non-zero), and the R2 of this regression is 0.6355. Test if it is correct to impose the abovementioned restrictions in the first regression at α = 1%.
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