Question: =+Dependent variable is: Delay/person R-squared = 80.7% R-squared (adjusted) = 78.5% s = 6.316 with 68 - 8 = 60 degrees of freedom Source Sum

=+Dependent variable is: Delay/person R-squared = 80.7% R-squared (adjusted) = 78.5%

s = 6.316 with 68 - 8 = 60 degrees of freedom Source Sum of Squares df Mean Square F-ratio Regression 10013.0 7 1430.44 35.9 Residual 2393.82 60 39.8970 Variable Coeff SE(Coeff) t-ratio P-value Intercept 153.110 17.42 8.79 60.0001 HiWayMPH -1.02104 0.2426 -4.21 60.0001 ArterialMPH -2.60848 0.6967 -3.74 0.0004 Small -125.979 66.92 -1.88 0.0646 Large 4.89837 2.053 2.39 0.0202 VeryLarge -89.4993 63.25 -1.41 0.1623 AM*Sml 3.81461 2.077 1.84 0.0712 AM*VLg 3.38139 2.314 1.46 0.1491

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