问题
选择题
已知一组数据10,9,8,7,6,6,9,10,7,9,6,7,10,9,6,8,9,10,6,9,那么频率为0.5的范围是( ) |
A.5.5~7.5 B.6.5~8.5 C.7.5~9.5 D.8.5~10.5 |
答案
答案:D
已知一组数据10,9,8,7,6,6,9,10,7,9,6,7,10,9,6,8,9,10,6,9,那么频率为0.5的范围是( ) |
A.5.5~7.5 B.6.5~8.5 C.7.5~9.5 D.8.5~10.5 |
答案:D