by female, sort ! summarize lowkey -3 female = Hale Variable Mean Std. dew. Hin HAX Lowkey 5.2 20. 07612 4.51944 female = Female Variable Mean Sed. dev. Hin HAX LOWkey 27.20 3. 205321 29 12 by female, sort : summarize highkey -3 female = Hale Variable Mean Std. dew. Min HAX highkey 60. 26923 5. 821244 48 female = Female Variable Mean Sed. dev. Min HAX highkey 64.56 4.103024 50