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:17:29 Sample:1 60 Included observations:60 Variable Coefficient Std.Error t-Statistic Prob C 571.8328 50.79816 11.25696 0.0000 0.513639 0.009360 54.87669 0.0000 R-squared 0.981104 Mean dependent var 3117.083 Adjusted R-squared 0.980778 S.D.dependent var 1157.512 S.E.of regression 160.4800 Akaike info criterion 13.02698 Sum squared resid 1493723. Schwarz criterion 13.09679 Log likelihood -388.8094 F-statistic 3011.451 Durbin-VVatson stat 0.982967 Prob(F-statistic) 0.000000 Y=571.83+0.5136X i=1,2,.,60 R2=0.9811 OLS估计：将样本看为不受任何限制下随机抽取的样本 571.83 0.5136 1,2, ,60 0.9811 2 Yi = + Xi i =  R =