2019 Jiangsu Question 5 Free-response Differentiating 2019_江苏 Paper 5. 已知一组数据6,7,8,8,9,10,则该组数据的方差是▲ Answer key$\frac { 5 } { 3 }$ ☆ SaveCan't do it, show the explanation查看原卷 →