Column(I) Dependent">

课程考试试卷模2

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二、 解: [2011-06-30 15:09 "/Data1" (2455742)] Multiple Regression on Data1: Independent: Column(B) -> Column(I) Dependent: Column(A) Parameter Value Error t-Value Prob>|t| --------------------------------------------------------------------------- Y-Intercept 546.65313 74.41487 7.34602 <0.0001 B -3.6325 62.4178 -0.0582 0.95436 C 19.50687 24.70338 0.78964 0.44204 D -29.62627 21.4184 -1.38322 0.18684 E 47.66568 12.54501 3.79957 0.00174 F -25.48774 33.44184 -0.76215 0.45779 G 17.78756 25.24809 0.70451 0.49191 H 18.61049 16.47887 1.12935 0.27649 I -18.85162 16.47307 -1.14439 0.2704 --------------------------------------------------------------------------- R-Square(COD) Adj. R-Square Root-MSE(SD) --------------------------------------------------------------------------- 0.64416 0.45439 40.33924 --------------------------------------------------------------------------- ANOVA Table: --------------------------------------------------------------------------- Degrees of Sum of Mean Item Freedom Squares Square F Statistic --------------------------------------------------------------------------- Model 8 44187.01782 5523.37723 3.39429 Error 15 24408.81552 1627.25437 Total 23 68595.83333 --------------------------------------------------------------------------- Prob>F --------------------------------------------------------------------------- 0.01984 --------------------------------------------------------------------------- 546.65313=b-3.6325C+19.50687Si-29.62627Mn+47.66568Cr-25.48774Mo+17.78756Ni+18.61049V-18.85162W (1)

[2011-06-30 16:08 "/Data1" (2455742)] Multiple Regression on Data1: Independent: Column(B) -> Column(I) Dependent: Column(A) Parameter Value Error t-Value Prob>|t| --------------------------------------------------------------------------- Y-Intercept 2490.76792 1091.58609 2.28179 0.03752 B -2321.38414 915.60192 -2.53536 0.02285 C -348.92318 362.37195 -0.96289 0.35087 D 113.68397 314.18485 0.36184 0.72252 E -214.11149 184.02183 -1.16351 0.2628 F -723.19213 490.55577 -1.47423 0.1611 G 3221.74901 370.36234 8.69891 <0.0001 H 299.49482 241.72731 1.23898 0.23439 I 138.39274 241.64226 0.57272 0.57532 --------------------------------------------------------------------------- R-Square(COD) Adj. R-Square Root-MSE(SD) --------------------------------------------------------------------------- 0.90489 0.85417 591.73325 --------------------------------------------------------------------------- ANOVA Table: --------------------------------------------------------------------------- Degrees of Sum of Mean Item Freedom Squares Square F Statistic --------------------------------------------------------------------------- Model 8 4.99725E7 6.24656E6 17.83975 Error 15 5.25222E6 350148.2346 Total 23 5.52247E7 --------------------------------------------------------------------------- Prob>F --------------------------------------------------------------------------- <0.0001 --------------------------------------------------------------------------- 2490.76792=b-2321.38414C-348.92318Si+113.68397Mn-214.11149Cr-723.19213Mo+3 221.74901Ni+299.49482V+138.39274W (2) [2011-06-30 16:23 "/Data1" (2455742)] Multiple Regression on Data1: Independent: Column(B) -> Column(I) Dependent: Column(A) Parameter Value Error t-Value Prob>|t| --------------------------------------------------------------------------- Y-Intercept 334.72838 62.88574 5.3228 <0.0001 B -142.27916 52.74738 -2.69737 0.01655 C 10.02484 20.87607 0.48021 0.63801 D -6.25724 18.10004 -0.3457 0.73437 E 8.99759 10.60141 0.84872 0.40938 F -20.26188 28.26068 -0.71696 0.48441 G -5.51547 21.33639 -0.2585 0.79953 H 20.96679 13.92579 1.50561 0.15293 I 15.14803 13.92089 1.08815 0.2937 --------------------------------------------------------------------------- R-Square(COD) Adj. R-Square Root-MSE(SD) --------------------------------------------------------------------------- 0.57945 0.35516 34.08946 --------------------------------------------------------------------------- ANOVA Table: --------------------------------------------------------------------------- Degrees of Sum of Mean Item Freedom Squares Square F Statistic --------------------------------------------------------------------------- Model 8 24017.58475 3002.19809 2.58344 Error 15 17431.37358 1162.09157 Total 23 41448.95833 --------------------------------------------------------------------------- Prob>F --------------------------------------------------------------------------- 0.05384