私家车销量的影响因素分析

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1、私家车销量的影响因素分析统计学院本科生科学讨论会论文【摘要】本文旨在对2003年到2004年8月我国钢铁价格、汽油价格以及人均收入对私家车销量的影响进行分析。首先，我们综合了几种关于私家车的前期成本和后期成本以及人均月收入的变化情况和相互关系，建立了我们的理论模型。然后，收集了相关的数据，利用EVIEethod:LeastSquaresDate:11/10/04Time:15:08Sample:2003:012004:08Includedobservations:20VariableCoefficientStd.Errort-StatisticProb.C

2、182405.279269.672.3010710.0352X1100.339321.511674.6644130.0003X2-106.424232.93104-3.2317290.0052X3-69.3305943.90709-1.5790290.1339R-squared0.611924Meandependentvar166969.1AdjustedR-squared0.539160S.D.dependentvar29694.60S.E.ofregression20158.24Akaikeinfocriterion22.83747Sumsquared

3、resid6.50E+09Sche:15:11Sample:2003:012004:08Includedobservations:20VariableCoefficientStd.Errort-StatisticProb.XX11.3172560.2739744.8079670.0002XX2-0.9193260.275975-3.3311900.0040XX3-0.2505990.153966-1.6276260.1220R-squared0.611924Meandependentvar-1.60E-16AdjustedR-squared0.566268

4、S.D.dependentvar1.000000S.E.ofregression0.658583Akaikeinfocriterion2.140029Sumsquaredresid7.373442Sche:15:03Sample:2003:012004:08Includedobservations:20VariableCoefficientStd.Errort-StatisticProb.C155133.780691.811.9225460.0715X1100.937222.433144.4994670.0003X2-112.741134.09260-3.

5、3069090.0042R-squared0.551449Meandependentvar166969.1AdjustedR-squared0.498678S.D.dependentvar29694.60S.E.ofregression21024.99Akaikeinfocriterion22.88229Sumsquaredresid7.51E+09Sche:15:11Sample:2003:012004:08Includedobservations:20VariableCoefficientStd.Errort-StatisticProb.XX11.32

6、51050.2862054.6299130.0002XX2-0.9738930.286205-3.4027810.0032R-squared0.551449Meandependentvar-1.60E-16AdjustedR-squared0.526530S.D.dependentvar1.000000S.E.ofregression0.688092Akaikeinfocriterion2.184851Sumsquaredresid8.522471Sche:15:48Sample(adjusted):2003:042004:08Includedobserv

7、ations:17afteradjustingendpointsVariableCoefficientStd.Errort-StatisticProb..dependentvar6.51E+08S.E.ofregression6.84E+08Akaikeinfocriterion43.72749Sumsquaredresid6.08E+18Schar-031387154599.454252.74635.05Apr-031554384793.084329.28642.03May-031431394617.663997.23642.03Jun-03154759

8、4457.423944.86651.57Jul-031484524