Summary statistics for s3_1_c4_6 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c4_6 | 3,618 1604.966 1708.896 1 21688 by Jean Roth , jroth@nber.org , 3 Sep 2018