摘要
统计指标的计算范围与口径的差异、平均指标与强度相对指标的区分、统计指标归类、由相对数或平均数计算平均数时算术平均数与调和平均数的选择等问题常使学生困惑。本文致力于对这些问题作几点探讨。
The paper tells the differnce between the calculation scope and the caliber of statistics indexes, the distinction between average index and strength opposite index, the categorizing of statistics index, selection of arithmetic average number and harmonic average number when average number is calculated using opposite number or average number, these problems usually puzzle students. This paper is devoted to making some probes to these problems.
出处
《安庆师范学院学报（自然科学版）》
2004年第2期62-64,共3页
Journal of Anqing Teachers College(Natural Science Edition)
关键词
统计指标
绝对数
相对数
平均数
statistics index, absolute number, opposite number,average number.
