Harmonic Mean (HM)
Harmonic Mean is defined as the reciprocal of the arithmetic mean of reciprocals. It is particularly used in situations where someone needs to find an average that reflects the ‘rate of work’ or ‘rate of speed.’
Relationship between AM, GM and HM
Several measures of central tendency, or averages, are available, each of which is typical in some unique way and has particular characteristics. The commonly used averages are Arithmetic Mean (AM), Geometric Mean (GM), and Harmonic Mean (HM). Further, there exists a very important relationship between AM, GM, and HM.
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