Summary statistics for s3_1_c10_2001 variable in hcris2552_10_2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c1~2001 | 2 28.28 18.39892 15.27 41.29 by Jean Roth , jroth@nber.org , 25 Oct 2018