当拒绝:,也就是说,当在其它解释变量不变的情况下,解释变量“国内生产总值”()、“财政支出”()、“商品零售物价指数”()分别对被解释变量“税收收入”Y都有显著的影响。为了作区间预测,在X和Y的数据表中,点击“View”选“DescriptiveStats\CmmonSample”,则得到X和Y的描述统计结果,见表3.5:表3.5Date:09/20/07Time:08:55Sample:19782002X2X3X4YMean35976.745854.728105.34004848.366Median18547.903083.590102.80002821.860Maximum104790.622053.15121.700017636.45Minimum3624.1001122.09097.00000519.2800Std.Dev.34444.885967.9356.8836164870.971Skewness0.7306861.4235730.9949311.255106Kurtosis1.9801333.9528942.9714553.574707Jarque-Bera3.3080579.3898414.1253786.907763Probability0.1912780.0091420.1271120.031623Observations25252525五、多重共线性检验计算各解释变量的相关系数,选择X1、X2、X3数据,点”view/covarianceanalyss”出现界面点击correlation得相关系数矩阵X1X2X3X110.9569655695314073-0.2902330698557423X20.95696556953140731-0.3754636919632496X3-0.2902330698557423-0.37546369196324961
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