Summary statistics for a7_3_c6_4 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c6_4 |        647    188255.9    333126.9     -62364    3762064

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