• 2021-04-14
    经研究发现,学生用于购买书籍及课外读物的支出与本人受教育年限和其家庭收入水平有关,对18名学生进行调查统计的回归分析结果如下:
    Dependent Variable: CONS




    Method: Least Squares




    Date: 06/04/14 Time: 09:51




    Sample: 1 18






    Included observations: 18
























    Variable
    Coefficient
    Std. Error
    t-Statistic
    Prob.




















    C
    A

    30.32236
    -0.032173
    0.9748
    EDUC
    104.3146
    B

    16.27592
    0.0000
    INC
    0.402190
    0.116348
    C

    0.0035




















    R-squared
    0.979726
    Mean dependent var
    755.1500
    Adjusted R-squared
    0.977023
    S.D. dependent var
    258.6859
    S.E. of regression
    39.21162
    Akaike info criterion
    10.32684
    Sum squared resid
    23063.27
    Schwarz criterion
    10.47523
    Log likelihood
    -89.94152
    Hannan-Quinn criter.
    10.34730
    F-statistic
    42.6394
    Durbin-Watson stat
    2.561395
    Prob(F-statistic)
    0.000000
















    写出A=
    B=
    C=








    的值。
    写出上题中的样本回归函数 ;0.05的显著水平下,写出方程显著性检验的判断依据及结果