统计学家 tǒngjìxuéjiā statistician Origin Definitions Defs Strokes Stroke Words Sentences Sents 统计学 統計學 tǒngjìxué noun statistics the science of collecting, organizing, and analyzing numerical data to infer the characteristics of a population家 jiā affixnoun specialist noun suffix for a person with special skills or expertise, equivalent to -ist, -er, or -ian