The SAS System 1 Obs center loss 1 C 8.5 2 C 11.6 3 C 10.2 4 C 10.9 5 C 9.0 6 C 9.6 7 C 9.9 8 C 11.3 9 C 10.5 10 C 11.2 11 D 8.7 12 D 9.3 13 D 8.2 14 D 8.3 15 D 9.0 16 D 9.4 17 D 9.2 18 D 12.2 19 D 8.5 20 D 9.9 The SAS System 2 The ANOVA Procedure Class Level Information Class Levels Values center 2 C D Number of Observations Read 20 Number of Observations Used 20 The SAS System 3 The ANOVA Procedure Dependent Variable: loss Amount of Weight Loss Sum of Source DF Squares Mean Square F Value Model 1 5.00000000 5.00000000 4.17 Error 18 21.56200000 1.19788889 Corrected Total 19 26.56200000 Source Pr > F Model 0.0560 Error Corrected Total R-Square Coeff Var Root MSE loss Mean 0.188239 11.20247 1.094481 9.770000 Source DF Anova SS Mean Square F Value center 1 5.00000000 5.00000000 4.17 Source Pr > F center 0.0560 The SAS System 3 dummy_ Obs loss var 1 8.5 1 2 11.6 1 3 10.2 1 4 10.9 1 5 9.0 1 6 9.6 1 7 9.9 1 8 11.3 1 9 10.5 1 10 11.2 1 11 8.7 0 12 9.3 0 13 8.2 0 14 8.3 0 15 9.0 0 16 9.4 0 17 9.2 0 18 12.2 0 19 8.5 0 20 9.9 0 The SAS System 4 The REG Procedure Model: MODEL1 Dependent Variable: loss Amount of Weight Loss Number of Observations Read 20 Number of Observations Used 20 Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 1 5.00000 5.00000 4.17 0.0560 Error 18 21.56200 1.19789 Corrected Total 19 26.56200 Root MSE 1.09448 R-Square 0.1882 Dependent Mean 9.77000 Adj R-Sq 0.1431 Coeff Var 11.20247 Parameter Estimates Parameter Standard Variable Label DF Estimate Error Intercept Intercept 1 9.27000 0.34611 dummy_var Weight Loss Center 1 1.00000 0.48947 Parameter Estimates Variable Label DF t Value Pr > |t| Intercept Intercept 1 26.78 <.0001 dummy_var Weight Loss Center 1 2.04 0.0560