Summary statistics for a_c2_7 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |          7    171027.6    176057.7      30182     464986

by Jean Roth , jroth@nber.org , 21 Apr 2018