Summary statistics for op2011apc30st dataset : by Jean Roth , jroth@nber.org , 16 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provstate | 0 apc | 0 opserv | 1,405 15171.28 47657.44 11 614507 charges | 1,405 1299.686 1518.192 23.868 11768.11 payments | 1,405 293.7989 316.8653 13.34884 1784.696 -------------+--------------------------------------------------------- apcdesc | 0 fipsst | 0 by Jean Roth , jroth@nber.org , 16 Mar 2016