Summary statistics for s3_1_c22_7 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c22_7 |          2       4.985    6.710443        .24       9.73

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