National open university of nigeria introduction to econometrics II eco 356



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Introduction to Econometrics ECO 356 Course Guide and Course Material
Introduction to Econometrics ECO 356 Course Guide and Course Material
Observation
X


Y
1 0
-236 264 2
1
-96 504 3
2
-332 368 4
3 12 812 5
4
-152 748 6
5
-876 124 7
6 412 1,512 8
7 96 1,296 9
8 1,012 2,312 10 9
-52 1,348 11 10 636 2,136 12 11
-368 1,232 13 12
-284 1,416 14 13
-100 1,700 15 14 676 2,576 16 15 60 2,060


INTRODUCTION TO ECONOMETRICS II

ECO 306

NOUN
72 17 16 8
2,108 18 17
-44 2,156 19 18
-364 1,936 20 19 568 2,968 Regressing Y on X, one obtains the equation (standard errors in parentheses
̂ SEE (190) (17.1) Why is the constant in this equation not equal to 500 and the coefficient of X not equal to 100?
What is the meaning of the standard errors
2.) The experiment is repeated with nine other new players (the disturbance term being generated by 400 times a different set of 20 random numbers in each case, and the regression results for all ten players are shown in the following table. Why do the constant, the coefficient of X, and the standard errors vary from sample to sample

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