统计学中平均值的统一表示

The Uniform Expression of Statistic Mean

分析了统计平均数表达式具有的共同特征,给出了统计平均数的统一表达式,即统计平均数的反函数表示法,最后简单讨论了位置平均数的表示.

The article analyses the common characters of statistic means. At the same time, it also gives the uniform expression of statistic means, that is, the way to express statistic means with in verse function. At last, the article simply discusses the expression of positional means.