Model Sum of Squares df Mean Square F Sig. 1 Regression 106 1 106 4.656 038 Residual 820 36 023 Total 927 37 2 Regression 110 2 .055 2.355 110- Residual 817 35 023 Total 927 37 3 Regression 141 3 047 2.029 128: Residual 786 34 023 Total 927 37 4 Regression 141 4 035 1.478 231: Residual 786 33 024 Total 927 37 5 Regression 143 5 029 1.167 347: Residual 784 32 024 Total 927 37 6 Regression 147 6 025 975 458: Residual 779 31 025