第二?/p>
简单线性回归模?/p>
2.1
?/p>
1
?/p>
①首先分析人均寿命与人均
GDP
的数量关系,?/p>
Eviews
分析?/p>
Dependent Variable: Y
Method: Least Squares
Date: 12/23/15
Time: 14:37
Sample: 1 22
Included observations: 22
Variable
Coefficient
Std. Error
t-Statistic
Prob.
C
56.64794
1.960820
28.88992
0.0000
X1
0.128360
0.027242
4.711834
0.0001
R-squared
0.526082
Mean dependent var
62.50000
Adjusted R-squared
0.502386
S.D. dependent var
10.08889
S.E. of regression
7.116881
Akaike info criterion
6.849324
Sum squared resid
1013.000
Schwarz criterion
6.948510
Log likelihood
-73.34257
Hannan-Quinn criter.
6.872689
F-statistic
22.20138
Durbin-Watson stat
0.629074
Prob(F-statistic)
0.000134
有上可知,关系式?/p>
y=56.64794+0.128360x
1
②关于人均寿命与成人识字率的关系,用
Eviews
分析如下?/p>
Dependent Variable: Y
Method: Least Squares
Date: 12/23/15
Time: 15:01
Sample: 1 22
Included observations: 22
Variable
Coefficient
Std. Error
t-Statistic
Prob.
C
38.79424
3.532079
10.98340
0.0000
X2
0.331971
0.046656
7.115308
0.0000
R-squared
0.716825
Mean dependent var
62.50000
Adjusted R-squared
0.702666
S.D. dependent var
10.08889
S.E. of regression
5.501306
Akaike info criterion
6.334356
Sum squared resid
605.2873
Schwarz criterion
6.433542
Log likelihood
-67.67792
Hannan-Quinn criter.
6.357721
F-statistic
50.62761
Durbin-Watson stat
1.846406
Prob(F-statistic)
0.000001
由上可知,关系式?/p>
y=38.79424+0.331971x
2
③关于人均寿命与一岁儿童疫苗接种率的关系,?/p>
Eviews
分析如下?/p>