精華區beta NTU-Exam 關於我們 聯絡資訊
報表: Simple Statistics Variance N Mean Std Dev Sum Minimum Maximum ────────────────────────────────── grade 10 71.10000 14.76821 711.00000 45.00000 93.00000 study 10 2.40000 1.10050 24.00000 0.50000 4.50000 TV 10 2.30000 0.94868 23.00000 1.00000 4.00000 IQ 10 115.30000 8.68012 1153 100.00000 126.00000 Pearson Correlation Coefficients, N=10 Prob>|r| under H_0: Rho=0 grade study TV IQ grade 1.00000 0.64332 -0.70821 0.07948 study 0.64332 1.00000 -0.65984 0.37570 TV -0.70821 -0.65984 1.00000 -0.18081 IQ 0.07948 0.37570 -0.18081 1.00000 [STUDY, TV, IQ → GRADE] Analysis of Variance Source DF Sum of Squares Mean Square F Value Pr>F ────────────────────────────────── Model 3 1130.30995 376.76998 2.72 0.1376 Error 6 832.59005 138.76501 Total 9 1962.90000 Root MSE 11.77986 R-Square 0.5758 Dependent Mean 71.10000 Adj R-Sq 0.3638 Coeff Var 16.56801 Parameter Estimates Squared Squared Parameter Standard Semi-partial Partial Variable DF Estimate Error t Value Pr>|t| Corr Type II Corr Type II ─────────────────────────────────────── Intercept 1 105.82524 55.73367 1.90 0.1064 study 1 5.10385 5.06290 1.01 0.3523 0.07184 0.14484 TV 1 -7.54310 5.53409 -1.36 0.2218 0.13134 0.23643 IQ 1 -0.25694 0.49041 -0.52 0.6191 0.01941 0.04375 [STUDY, TV → GRADE] Analysis of Variance Source DF Sum of Squares Mean Square F Value Pr>F ────────────────────────────────── Model 2 1092.21846 546.10923 4.39 0.0581 Error 7 870.68154 124.38308 Total 9 1962.90000 Root MSE 11.15272 R-Square 0.5564 Dependent Mean 71.10000 Adj R-Sq 0.4297 Coeff Var 15.68596 Parameter Estimates Squared Squared Parameter Standard Semi-partial Partial Variable DF Estimate Error t Value Pr>|t| Corr Type II Corr Type II ─────────────────────────────────────── Intercept 1 79.05115 21.05973 3.75 0.0071 study 1 4.18355 4.49563 0.93 0.3830 0.05487 0.11009 TV 1 -7.82247 5.21508 -1.50 0.1773 0.14257 0.24324 [IQ → GRADE] Analysis of Variance Source DF Sum of Squares Mean Square F Value Pr>F ────────────────────────────────── Model 1 12.40066 12.40066 0.05 0.8272 Error 8 1950.49934 243.81242 Total 9 1962.90000 Root MSE 15.61449 R-Square 0.0063 Dependent Mean 71.10000 Adj R-Sq -0.1179 Coeff Var 21.96131 Parameter Estimates Squared Squared Parameter Standard Semi-partial Partial Variable DF Estimate Error t Value Pr>|t| Corr Type II Corr Type II ─────────────────────────────────────── Intercept 1 55.50789 69.31307 0.80 0.4464 IQ 1 0.13523 0.59963 0.23 0.8272 0.00632 0.00632 [用三個 predictor variables 預測 GRADE 後之 residuals] The UNIVARIATE Procedure Variable: residual (Residual) N 10 Sum Weights 10 Mean 0 Sum Observations 0 Std Deviation 9.6182122 Variance 92.5100059 Skewness -0.0857449 Kurtosis 0.36188159 Uncorrected SS 832.590053 Correxted SS 832.590053 Coeff Variation . Std Error Mean 3.04154576 Tests for Normality Test ---Statistic--- -----p Value----- Shapiro-Wilk W 0.980678 Pr< W 0.9687 Kolmogorov-Smirnov D 0.14799 Pr> D >0.1500 Cramer-von Mises W-Sq 0.030271 Pr>W-Sq >0.2500 Anderson-Darling A-Sq 0.192046 Pr>A-Sq >0.2500 | 20 + | | A | | R | A e | A s | A i | d 0 +--------------------A------------------ u | a | A A A l | A | | | | | A -20 + -+------------+------------+------------+ 40 60 80 100 Predicted Value of grade [註:若PartB 題目未註明預測方式時,一律用STUDY, TV, IQ → GRADE] -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.141.214.221 ※ 編輯: monotones 來自: 220.141.214.221 (07/04 11:49)