MIT OpenCourseWare http ocw mit edu 11 220 Quantitative Reasoning Statistical Methods for Planners I Spring 2009 For information about citing these materials or our Terms of Use visit http ocw mit edu terms Driving Deaths and Population Density 7 Slope 0 006 Intercept 6 07 6 5 3 4 2 driving deaths 10 000 drivers 0 100 200 300 400 500 600 Population Density people sq mile Source Venables and Ripley Modern Applied Statistics with S 2001 Driving Deaths and Population Density 7 Slope 3 963 Intercept 6 07 6 5 3 4 2 driving deaths 10 000 drivers 0 0 0 2 0 4 0 6 0 8 1 0 Population Density people acre Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models Slope 0 007 Intercept 51 6 45 40 35 30 25 2500 3000 3500 2000 20 Miles per Gallon highway 4000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models Slope 14 654 Intercept 51 6 45 40 35 30 25 1 0 1 2 1 4 1 6 0 8 20 Miles per Gallon highway 1 8 2 0 Car Weight tons Source Venables and Ripley Modern Applied Statistics with S 2001 Gas Milage and Car Weight selected models 80 Slope 23 584 Intercept 83 04 60 50 40 Kilometers per Gallon highway 70 1 0 1 2 1 4 1 6 0 8 1 8 2 0 Car Weight tons Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models Slope 0 007 Intercept 51 6 45 40 35 30 25 2500 3000 3500 2000 20 Miles per Gallon highway 4000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models Slope 0 007 Intercept 51 6 45 40 35 30 25 20 Miles per Gallon highway 0 1000 2000 3000 4000 5000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 60 40 20 Slope 0 007 Intercept 51 6 0 Miles per Gallon highway 80 100 Gas Milage and Car Weight selected models 0 1000 2000 3000 4000 5000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 Driving Deaths and Population Density r squared 0 53 SEE 0 97 Slope 0 006 Stnd Err Slope 0 0012 7 6 5 3 4 2 driving deaths 10 000 drivers 0 100 200 300 400 500 600 Population Density people sq mile Source Venables and Ripley Modern Applied Statistics with S 2001 Driving Deaths and Population Density r squared 0 53 SEE 0 97 Slope 3 963 Stnd Err Slope 0 7953 7 6 5 3 4 2 driving deaths 10 000 drivers 0 0 0 2 0 4 0 6 0 8 1 0 Population Density people acre Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models r squared 0 66 SEE 3 14 Slope 0 007 Stnd Err Slope 0 000555 45 40 35 30 25 2500 3000 3500 2000 20 Miles per Gallon highway 4000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models r squared 0 66 SEE 3 14 Slope 14 654 Stnd Err Slope 1 1095 45 40 35 30 25 1 0 1 2 1 4 1 6 0 8 20 Miles per Gallon highway 1 8 2 0 Car Weight tons Source Venables and Ripley Modern Applied Statistics with S 2001 Gas Milage and Car Weight selected models 80 r squared 0 66 SEE 5 05 Slope 23 584 Stnd Err Slope 1 7856 60 50 40 Kilometers per Gallon highway 70 1 0 1 2 1 4 1 6 0 8 1 8 2 0 Car Weight tons Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models r squared 0 66 SEE 3 14 Slope 0 007 Stnd Err Slope 0 000555 45 40 35 30 25 2500 3000 3500 2000 20 Miles per Gallon highway 4000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 50 Gas Milage and Car Weight selected models r squared 0 66 SEE 3 14 Slope 0 007 Stnd Err Slope 0 000555 45 40 35 30 25 20 Miles per Gallon highway 0 1000 2000 3000 4000 5000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001 60 r squared 0 66 SEE 3 14 Slope 0 007 Stnd Err Slope 0 000555 40 20 0 Miles per Gallon highway 80 100 Gas Milage and Car Weight selected models 0 1000 2000 3000 4000 5000 Car Weight lbs Source Venables and Ripley Modern Applied Statistics with S 2001