题目列表(包括答案和解析)
一个容量为10的样本数据,组距与频数如下:
|
| 组距 | (1,2] | (2,3] | (3,4] | (4,5] | (5,6] | (6,7] |
| 频数 | 1 | 1 | 2 | 3 | 1 | 2 |
| A.0.70 | B.0.25 | C.0.50 | D.0.20 |
| 组距 | (1,2] | (2,3] | (3,4] | (4,5] | (5,6] | (6,7] |
| 频数 | 1 | 1 | 2 | 3 | 1 | 2 |
| 组距 | (1,2] | (2,3] | (3,4] | (4,5] | (5,6] | (6,7] |
| 频数 | 1 | 1 | 2 | 3 | 1 | 2 |
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