Plot of Density*CrimeRate$State.  Symbol is value of State.                               
                                                                                                                        
               ---+------------+------------+------------+------------+------------+------------+------------+---       
       Density |                                                                                                |       
           500 +                                                                                                +       
               |                                                                                                |       
               |                                            Maryland                                            |       
               |                                               M                                                |       
               |                                                                                                |       
               |                                                                                                |       
               |                                                                                                |       
               |                                                                                                |       
               |                                     Delaware                                                   |       
               |                                        D                                                       |       
               |            Pennsylvania          Ohio                                                          |       
               |                 P                 O                                                            |       
           250 +                                                                                                +       
               |                                           Illinois                                             |       
               |                                              I                                     Florida     |       
               |                                                                                       F        |       
               |                              North Carolina             California                             |       
               |                   New                   South               C                                  |       
               |   West         Hampshire   Alabama N   Carolina                                                |       
               | Virginia           N                T     S       G Georgia                                    |       
               |    W           Mississippi       A Tennessee                  Washington Texas                 |       
               |                     M  Vermont V    M Missouri    Oklahoma        W        T                   |       
               |         South        Arkansas A    M Minnesota       O          Oregon                         |       
               |         Dakota               I Idaho                    Nevada    O                            |       
             0 +           S N North Dakota                                N                                    +       
               ---+------------+------------+------------+------------+------------+------------+------------+---       
                2000         3000         4000         5000         6000         7000         8000         9000         
                                                                                                                        
                                                           CrimeRate