Summary statistics for cholecystectomyper1000medicareen variable in 1995_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |         52    4.920515    .6327216    3.66572   6.575936

by Jean Roth , jroth@nber.org , 14 Mar 2018