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。
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.
出处
《鞍山钢铁学院学报》
1993年第1期42-45,共4页
Journal of Anshan Institute of Iron and Steel Technology
关键词
数量标志
组距
计算
quantitative indicant, range, group interval
