摘要
为了反映社会经济现象的一般水平,统计上常常采用各种各样的平均数,如算术平均数、调和平均数、众数和中位数。用算术平均数与调和平均数能够比较准确地说明社会经济现象的集中趋势。本文试就如何教好和学好这部分知识进行探讨。
To reflect the General level of social economic phenomenon, We often adopt various averages in statistics, such as arithmetic averages, mediate averages, modes and middling averages, using artithmetic averages and mediate averages can explain exactly the central tendenly of social economic phenomenon.
关键词
平均数
算术平均数
调和平均数
教学探讨
averages, arithmetic averages, mediate averages, discussing teaching methods.
