Restr. loglikelihood -20.59173 Avg loglikelihood 15.40419 McFadden R-squared 0.374038 Probability(LR stat) Obs with Dep=0 21 Total obs Obs with Dep=l lI 2.826)(0.534 边际效应等于f(x)=018910050018 2379(0499 13.02135+2.8261×3.1172+0.0952×21.9375+2.3787×0.4375 其中,f()= 1+e 1+e 13.02135+2.8261×3.1172+0.0952×21.9375+2.3787×0.4375 0.3387 =0.188988746≈0.189 (1+0.3387) TUCE Mean 3.ll7188 3.065000 22.50000 0.000000 Maximum 4.000000 29.00000 000000 Minimum 12.00000 Std Dev 0.466713 0.504016 0.122657 0.251976 2.570068 3.048305 1.473728 5.338708 0.849296 0.478612 0.069297 Sum 99.75000 702.0000 14.00000 Sum Sq Dev 6.752447 471.8750Restr. log likelihood -20.59173 Avg. log likelihood -0.402801 LR statistic (3 df) 15.40419 McFadden R-squared 0.374038 Probability(LR stat) 0.001502 Obs with Dep=0 21 Total obs 32 Obs with Dep=1 11 边际效应等于 ( ) 2.826 0.534 0.189 0.095 0.018 2.379 0.499 f         =  =             Xβ β 其中， ( ) ( ) ( ) 13.02135 2.8261 3.1172 0.0952 21.9375 2.3787 0.4375 2 2 13.02135 2.8261 3.1172 0.0952 21.9375 2.3787 0.4375 1 1 e e f e e − +  +  +  − +  +  +  = = + + Xβ Xβ Xβ ( ) 2 0.3387 0.188988746 0.189 1 0.3387 = =  + GPA TUCE PSI Mean 3.117188 21.93750 0.437500 Median 3.065000 22.50000 0.000000 Maximum 4.000000 29.00000 1.000000 Minimum 2.060000 12.00000 0.000000 Std. Dev. 0.466713 3.901509 0.504016 Skewness 0.122657 -0.525110 0.251976 Kurtosis 2.570068 3.048305 1.063492 Jarque-Bera 0.326695 1.473728 5.338708 Probability 0.849296 0.478612 0.069297 Sum 99.75000 702.0000 14.00000 Sum Sq. Dev. 6.752447 471.8750 7.875000 Observations 32 32 32