数学老师布置10道选择题作业,批阅后得到如下统计表.根据表中数据可知,这45名同学答对题数组成的样本的中位数是 题.
0 166872 166880 166886 166890 166896 166898 166902 166908 166910 166916 166922 166926 166928 166932 166938 166940 166946 166950 166952 166956 166958 166962 166964 166966 166967 166968 166970 166971 166972 166974 166976 166980 166982 166986 166988 166992 166998 167000 167006 167010 167012 167016 167022 167028 167030 167036 167040 167042 167048 167052 167058 167066 366461
| 答对题数 | 7 | 8 | 9 | 10 |
| 人数 | 4 | 18 | 16 | 7 |