OLS估计：将样本看为不受任何限制下随机抽取的样本 Dependent Variable:Y Method:Least Squares Date:0103/11Time:16:26 Sample:1 57 Included observations:57 Variable Coefficient Std.Error t-Statistic Prob. C 604.9304 57.65070 10.49303 0.0000 0.508307 0.010363 49.04995 0.0000 R-squared 0.977650 Mean dependent var 3228.509 Adjusted R-squared 0.977244 S.D.dependent var 1076.505 S.E.of regression 162.3915 Akaike info criterion 13.05235 Sum squared resid 1450405. Schwarz criterion 13.12404 Log likelihood -369.9921 F-statistic 2405.898 Durbin-Watson stat 1.011832 Prob(F-statistic) 0.000000 Y=604.93+0.5083X,i=1,2,.,57 R2=0.9777OLS估计：将样本看为不受任何限制下随机抽取的样本 2 604.93 0.5083 1,2, ,57 0.9777 Y X i R i i = + = =