Summary statistics for obstetriciangynecologistsper variable in caphphrr2006 da

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
obstetrici~r |        307    54.94597    12.59842    25.2862   113.7081

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