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Versus Fits (response is Sales) 2 Standardized Residual -2 1000 2000 3000 5000 6000 4000 Fitted Value
III. (20 points) 得分 Analysis of Variance WWW F-Value P-value ( ) 0.000 ) Source Regression Error Total DF Adi Ss Adi MS
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III. (20 points) 得分 Analysis of Variance WWW F-Value P-value ( ) 0.000 ) Source Regression Error Total DF Adi Ss Adi MS
III. (20 points) 得分 Analysis of Variance WWW F-Value P-value ( ) 0.000 ) Source Regression Error Total DF Adi Ss Adi MS () 35250756 ( ( ) 7448393 49 42699149 Model Summary R-sq R-sq (adi) S 398. 091 Coefficients T-Value P-Value VIF Term Constant Income Size Coef SE Coef 1305 198 33. 13 3.97 356.3 33.2 ( ) > ) 0.900 0.030 1.03 0.000 1.03 a.Develop the estimated regression equation.(2 points) b. Complete the missing entries.(8 points) c. At the 0.05 level of significance, test whether the estimated regression equation indicates a significant relationship between the independent variables and the dependent variable.(2 points) d. Based on the plot, Does the residual plot support the assumption about E?(8 points)
Versus Fits (response is Sales) 2 Standardized Residual -2 1000 2000 3000 5000 6000 4000 Fitted Value
Versus Fits (response is Sales) 2 Standardized Residual -2 1000 2000 3000 5000 6000 4000 Fitted Value