转盘甲 转盘乙 | 1 | 2 | 3 | 4 | 5 |
1 | (1,1)和为2 | (2,1)和为3 | (3,1)和为4 | (4,1)和为5 | (5,1)和为6 |
2 | (1,2)和为3 | (2,2)和为4 | (3,2)和为5 | (4,2)和为6 | (5,2)和为7 |
3 | (1,3)和为4 | (2,3)和为5 | (3,3)和为6 | (4,3)和为7 | (5,3)和为8 |
4 | (1,4)和为5 | (2,4)和为6 | (3,4)和为7 | (4,4)和为8 | (5,4)和为9 |
A.方差 | B.极差 | C.中位数 | D.平均数 |
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