Summary statistics for s3_1_c20_8 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c20_8 |          2         8.5    9.192388          2         15

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