Summary statistics for s3_1_c1_9 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   s3_1_c1_9 |        199    22.73869     19.9206          3        125

by Jean Roth , jroth@nber.org , 9 Sep 2018