Summary statistics for d_5_sub2_c9_48 variable in hosp_rollup2552_96_2007 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~2_c9_48 | 4 19.25 31.21298 2 66 by Jean Roth , jroth@nber.org , 21 Apr 2018