Summary statistics for cholecystectomyper1000medicareen variable in 1994_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |      1,385    5.266406    1.415454   2.067191   12.18268

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