Summary statistics for d2_1_c1_4 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d2_1_c1_4 |          8    48.69125    30.83897          1         90

by Jean Roth , jroth@nber.org , 17 Feb 2018