The data for this question consists of the one-way airfare (in US dollars) and distance (in miles) from city A to 17 other cities in the US. Interest centres on modelling airfare as a function of distance using regression. The output for this is shown below.

A B C D F G 1 ANOVA 2 df SS MS F Significance F 3 Regression 1 267705.6756 267705.7 2469.296 4.61829 E-18 Residual 15 1626.206731 108.4138 5 Total 16 269331.8824 6 7 Coefficients Standard Error It Stat P-value Lower 95% Upper 95% 8 Intercept 48.9717705 4.405492903 11.11607 1.22E-08 39.58168465 58.361856 9 Distance 0.21968734 0.004420979 49.69201 4.62E-18 0.210264241 0.2291104SUMMARY OUTPUT Regression Statistics Multiple R 0.99697646 R Square 0.99396207 Adjusted R Square 0.99355954 Standard Error 10.4121939 Observations 17