Figure 1. 



Error (Predicted Sales - Actual Sales) 

 vs. Dealer Size (Actual Sales) 



Error +200 



• 200 



¥ * ■ ^11 ■ ■> mW ii 



^■ • i^*^* ■•«<»ii ^iil 



Dlr. Size gO 100 



200 



400 600 1000 



2000 



Figure 2. 



Penetration vs. Distance from Dealer 

 for a Large Chevrolet Dealer . 



penetration 



10 - 



OS - 









•••*^^-^*^'*- 



dist (miles) 15 



30 



45 



penetration 



15 - 



. 10- 



.05 





 dist (miles) 



15 



30 



45 



2a. Predicted Penetration 

 vs. Distance 



2b. Actual Penetration 

 vs. Distance 



