Harmonic mean [statistics] A special kind of mean which is determined by calculating the mean of the reciprocals of the values concerned and then calculating the reciprocal of this quantity.
英
美
- 调和平均数,倒数平均数[统计]一种特殊的均数,求得方法是先求出有关倒数的均数,再求出这一均数的倒数。