Summary statistics for a7_3_c6_2 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c6_2 | 112 70617.72 87441.92 -23460 474950 by Jean Roth , jroth@nber.org , 21 Apr 2018