Summary statistics for hipreplacementper1000medicareenr variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |         52    2.847504    .7116695   .6301962   4.134365

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