Summary statistics for mastectomyforbreastcancerper1000 variable in 1999_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mastect~1000 |         52    1.651163    .3365256   1.000971   2.538111

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