Selected Forbes 500 Companies by Sector -- Homogeneity of Regressions The GLM Procedure Class Level Information Class Levels Values Sector 9 Communic Energy Finance HiTech Manufact Medical Other Retail Transpor Number of Observations Read 79 Number of Observations Used 79 Selected Forbes 500 Companies by Sector -- Homogeneity of Regressions The GLM Procedure Dependent Variable: logSales Sum of Source DF Squares Mean Square F Value Pr > F Model 17 97.3220720 5.7248278 22.24 <.0001 Error 61 15.7039024 0.2574410 Corrected Total 78 113.0259743 R-Square Coeff Var Root MSE logSales Mean 0.861059 6.681120 0.507386 7.594333 Source DF Type I SS Mean Square F Value Pr > F Sector 8 42.57513913 5.32189239 20.67 <.0001 logAssets 1 53.74488841 53.74488841 208.77 <.0001 logAssets*Sector 8 1.00204444 0.12525555 0.49 0.8611 Source DF Type III SS Mean Square F Value Pr > F Sector 8 1.46328782 0.18291098 0.71 0.6812 logAssets 1 22.68660629 22.68660629 88.12 <.0001 logAssets*Sector 8 1.00204444 0.12525555 0.49 0.8611 Contrast DF Contrast SS Mean Square F Value equal slopes? 8 1.00204444 0.12525555 0.49 equal slopes and intercepts? 16 59.00438713 3.68777420 14.32 Contrast Pr > F equal slopes? 0.8611 equal slopes and intercepts? <.0001 Selected Forbes 500 Companies by Sector -- Homogeneity of Regressions The GLM Procedure Class Level Information Class Levels Values Sector 9 Communic Energy Finance HiTech Manufact Medical Other Retail Transpor Number of Observations Read 79 Number of Observations Used 79 Selected Forbes 500 Companies by Sector -- Homogeneity of Regressions The GLM Procedure Dependent Variable: logSales Sum of Source DF Squares Mean Square F Value Pr > F Model 9 96.3200275 10.7022253 44.20 <.0001 Error 69 16.7059468 0.2421152 Corrected Total 78 113.0259743 R-Square Coeff Var Root MSE logSales Mean 0.852194 6.479200 0.492052 7.594333 Source DF Type I SS Mean Square F Value Pr > F Sector 8 42.57513913 5.32189239 21.98 <.0001 logAssets 1 53.74488841 53.74488841 221.98 <.0001 Source DF Type III SS Mean Square F Value Pr > F Sector 8 58.00234269 7.25029284 29.95 <.0001 logAssets 1 53.74488841 53.74488841 221.98 <.0001 Contrast DF Contrast SS Mean Square equal intercepts (given equal slopes)? 8 58.00234269 7.25029284 Contrast F Value Pr > F equal intercepts (given equal slopes)? 29.95 <.0001