Summary statistics for s3_1_c20_8 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c20_8 |          4          20     15.0333          9         42

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