| 浅论按数量标志分组时的组数和组距 |
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| 引用本文： | 秦铁山.浅论按数量标志分组时的组数和组距[J].鞍山科技大学学报,1993(1). |
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| 作者姓名： | 秦铁山 |
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| 作者单位： | 鞍山钢铁学院管理工程系 |
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| 摘 要： | 阐述了统计分组法的意义,探讨了对总体按数量标志分组时确定组数应遵循的四项原则,即质别原则;特征原则;大量原则;便利原则。并结合集合与区间的概念对组距进行了新的解释,给出了计算组距的新公式。
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| 关 键 词： | 数量标志 全距 组距 |
Analysis of Class Number and Group Interval in Groupping by Quantitative Indicant |
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| Qin Tieshan.Analysis of Class Number and Group Interval in Groupping by Quantitative Indicant[J].Journal of Anshan University of Science and Technology,1993(1). |
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| Authors: | Qin Tieshan |
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| Institution: | Qin Tieshan |
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| Abstract: | The article expound to method of statistical grouping, pursuit of Principle to determine class number in groupping in population by quantitative indieant: (1) quality principle (2) ehareateristic principle (3) mass principle (4) convenience principle. Explain to group interval combining the concept of set and interval, to produce new formula of computation group interval. |
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| Keywords: | quantitative indicant range group interval |
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