Table 5: ANOVA for parameter b.

Model Sum of squares df Mean square F Sig. 1 Regression 0.002 1 0.002 7.855 0.019a Residual 0.002 10 0.000   Total 0.004 11       2 Regression 0.003 2 0.001 8.785 0.008b Residual 0.001 9 0.000   Total 0.004 11

Predictors: (constant), bus ratio; bPredictors: (constant), bus ratio, link length.