静态平均数是反映社会经济现象总体特定条件下所达到的一般水平的平均指标,是统计中常用的统计指标。本文从算术平均数和调和平均数两种静态平均数的关系入手,比较了两种计算方法及实际应用,以防止在计算平均指标时张冠李戴,真实反映社会经济现象总体的一般水平。 Static average is to reflect the general conditions of socio-economic phenomena under the overall average of the average level of the indicators reached, is a statistical commonly used indicators. This paper starts from the relationship between the arithmetic mean and harmonic mean, and compares the two calculation methods and their practical applications to prevent the average level of social and economic phenomena from being truly reflected in the calculation of the average index.