Dependent Variable: Y Method: Least Squares Sample: 1960 1982 Included observations: 23 Variable Coefficient Std. Error t-Statistic Prob. C 36.80390 7.629174 4.824100 0.0001 X2 0.011122 0.008059 1.380012 0. 1836 X3 -0.523003 0.252154 -2.074143 0.0519 X4 0. 150477 0. 138330 1.087813 0.2903 R-squared 0.781990 Mean dependent var 39.44348 Adjusted R-squared 0.747567 S.D. dependent var 8.581101 S.E. of regression 4.311377 Akaike info criterion 5.917163 Sum squared resid 353. 1715 Schwarz criterion 6. 114640 Log likelihood -64.04737 Hannan-Quinn criter. 5.966828 F-statistic 22.71729 Durbin-Watson stat 0.643169 Prob(F-statistic) 0.000002\f