计量经济学 庞皓 第三版课后答案.docVIP

第二章 简单线性回归模型 2.1 （1） ①首先分析人均寿命与人均GDP的数量关系，用Eviews分析： Dependent Variable: YMethod: Least SquaresDate: 12/27/14 Time: 21:00Sample: 1 22Included observations: 22VariableCoefficientStd. Errort-StatisticProb.??C56.647941.96082028.889920.0000X10.1283600.0272424.7118340.0001R-squared0.526082????Mean dependent var62.50000Adjusted R-squared0.502386????S.D. dependent var10.08889S.E. of regression7.116881????Akaike info criterion6.849324Sum squared resid1013.000????Schwarz criterion6.948510Log likelihood-73.34257????Hannan-Quinn criter.6.872689F-statistic22.20138????Durbin-Watson stat0.629074Prob(F-statistic)0.000134有上可知，关系式为y=56.64794+0.128360x1 ②关于人均寿命与成人识字率的关系，用Eviews分析如下： Dependent Variable: YMethod: Least SquaresDate: 11/26/14 Time: 21:10Sample: 1 22Included observations: 22VariableCoefficientStd. Errort-StatisticProb.??C38.794243.53207910.983400.0000X20.3319710.0466567.1153080.0000R-squared0.716825????Mean dependent var62.50000Adjusted R-squared0.702666????S.D. dependent var10.08889S.E. of regression5.501306????Akaike info criterion6.334356Sum squared resid605.2873????Schwarz criterion6.433542Log likelihood-67.67792????Hannan-Quinn criter.6.357721F-statistic50.62761????Durbin-Watson stat1.846406Prob(F-statistic)0.000001由上可知，关系式为y=38.79424+0.331971x2 ③关于人均寿命与一岁儿童疫苗接种率的关系，用Eviews分析如下： Dependent Variable: YMethod: Least SquaresDate: 11/26/14 Time: 21:14Sample: 1 22Included observations: 22VariableCoefficientStd. Errort-StatisticProb.??C31.799566.5364344.8649710.0001X30.3872760.0802604.8252850.0001R-squared0.537929????Mean dependent var62.50000Adjusted R-squared0.514825????S.D. dependent var10.08889S.E. of regression7.027364????Ak