Summary statistics for a7_1_c1_5 variable in hcris2552_10_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c1_5 | 3,630 1.81e+07 4.41e+07 -3.42e+07 7.04e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018