次数分布表
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| 次数分布表 [2024/03/26 03:08] – 李佳熠2 | 次数分布表 [2024/03/26 03:09] (当前版本) – 李佳熠2 | ||
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| When the accessible data is abundant, it is necessary to divide them into groups. The key point to grouped data analysis is to divide the data intervals, that is to ascertain the value range of each groups. The division of the maximum and minimum is called group range. Usually, for a group from 81 to 90, the minimum is regarded as 80.5, while the maximum is regarded as 90.5. The division of the maximum and minimum of all the data is called range. And once the group amount is ascertained, | When the accessible data is abundant, it is necessary to divide them into groups. The key point to grouped data analysis is to divide the data intervals, that is to ascertain the value range of each groups. The division of the maximum and minimum is called group range. Usually, for a group from 81 to 90, the minimum is regarded as 80.5, while the maximum is regarded as 90.5. The division of the maximum and minimum of all the data is called range. And once the group amount is ascertained, | ||
| - | {{ : | + | {{ : |
| + | |||
| + | (Group Range = Range/Group Amount) | ||
| 当然，组距一般取较为简单的数字，如10或者5的倍数，而且每组的起点也应该尽量简单。 | 当然，组距一般取较为简单的数字，如10或者5的倍数，而且每组的起点也应该尽量简单。 | ||
| Meanwhile, the group range is usually set as simple numbers like the multiples of 5 or 10, and the starting point of each group should also be as simple as possible. | Meanwhile, the group range is usually set as simple numbers like the multiples of 5 or 10, and the starting point of each group should also be as simple as possible. | ||
次数分布表.1711422503.txt.gz · 最后更改: 2024/03/26 03:08 由 李佳熠2