harmonic mean

Noun
  1. The mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers (synset 106033984)
    referred to in: statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
    is a type of: mean, mean value - an average of n numbers computed by adding some function of the numbers and dividing by some function of n

Other Searches