Summary statistics for d_4_ipf_c13_74 variable in hcris2552_10_2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ipf~3_74 |          3    2.666667    2.886751          1          6

by Jean Roth , jroth@nber.org , 23 Aug 2018