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# HW01_answers_Econ140A_2011Fall - S.D dependent var 6.763351...

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Economics 140A Fall 2011 Professor Startz Answers to Homework 1 The scatter graph looked like this. I added a line through the points, which you weren’t asked to do. The regression looks like Dependent Variable: VOTE Method: Least Squares Date: 09/08/11 Time: 16:22 Sample (adjusted): 1860 2008 Included observations: 38 after adjustments Variable Coefficient Std. Error t-Statistic Prob. C 36.36296 2.559099 14.20928 0.0000 SUM 1.875688 0.300116 6.249887 0.0000 R-squared 0.520391 Mean dependent var 51.61526 Adjusted R-squared 0.507068

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Unformatted text preview: S.D. dependent var 6.763351 S.E. of regression 4.748489 Akaike info criterion 6.004726 Sum squared resid 811.7332 Schwarz criterion 6.090914 Log likelihood -112.0898 Hannan-Quinn criter. 6.035391 F-statistic 39.06109 Durbin-Watson stat 1.841985 Prob(F-statistic) 0.000000 Which gives the equation 35 40 45 50 55 60 65 70 2 4 6 8 10 12 14 SUM ACTUAL TWO-PARTY % FOR INCUMBENT page 2 VOTE = 36.4 + 1.88*SUM Lichtman gives Obama 9 “keys.” (Who am I to argue?) That predicts ±²³ ´ µ²¶¶ · ¸ ¹ º ² » , which is a pretty solid win....
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HW01_answers_Econ140A_2011Fall - S.D dependent var 6.763351...

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