Tutorial Merits and Demerits of Harmonic Mean


Merits and Demerits of Harmonic Mean


   


Merits:

  • It is based on all observations.
  • It not much affected by the fluctuation of sampling.
  • It is capable of algebraic treatment.
  • It is an appropriate average for averaging ratios and rates.
  • It does not give much weight to the large items.


Demerits:

  • Its calculation is difficult.
  • It gives high weight-age to the small items.
  • It cannot be calculated if any one of the items is zero.
  • It is usually a value which does not exist in the given data.

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