直線回歸

12家分店的收入與支出情況
編號(hào) 支出 收入
1 15 22
2 20 24
3 17 25
4 18 20 SUMMARY OUTPUT
5 25 32
6 32 31 回歸統(tǒng)計(jì)
7 28 33 Multiple R 0.821060662
8 20 21 R Square 0.67414061
9 22 26 Adjusted R Square 0.641554671
10 33 30 標(biāo)準(zhǔn)誤差 3.274259295
11 33 38 觀測(cè)值 12
12 31 28
方差分析
df SS MS F Significance F
回歸分析 1 221.7922607 221.7922607 20.68808298 0.001060876
殘差 10 107.2077393 10.72077393
總計(jì) 11 329

Coefficients 標(biāo)準(zhǔn)誤差 t Stat P-value Lower 95% Upper 95% 下限 95.0% 上限 95.0%
Intercept 11.03360489 3.74160374 2.948897226 0.014562111 2.696792263 19.37041751 2.696792263 19.37041751
支出 0.67209776 0.147765253 4.548415436 0.001060876 0.342856259 1.00133926 0.342856259 1.00133926



RESIDUAL OUTPUT PROBABILITY OUTPUT

觀測(cè)值 預(yù)測(cè) 收入 殘差 標(biāo)準(zhǔn)殘差 百分比排位 收入
1 21.11507128 0.884928717 0.283459856 4.166666667 20
2 24.47556008 -0.475560081 -0.152331131 12.5 21
3 22.4592668 2.540733198 0.813846192 20.83333333 22
4 23.13136456 -3.131364562 -1.00303689 29.16666667 24
5 27.83604888 4.16395112 1.33379442 37.5 25
6 32.5407332 -1.540733198 -0.493526769 45.83333333 26
7 29.85234216 3.147657841 1.008255944 54.16666667 28
8 24.47556008 -3.475560081 -1.1132894 62.5 30
9 25.8197556 0.180244399 0.057735782 70.83333333 31
10 33.21283096 -3.212830957 -1.029132158 79.16666667 32
11 33.21283096 4.787169043 1.533423226 87.5 33
12 31.86863544 -3.868635438 -1.239199071 95.83333333 38

直線回歸