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in finance, unlike the arithmetic mean, the harmonic mean gives an equal weight to each data point that it reduces the weight of higher returns in calculating the average return.

it's calculated as n/ (1/a + 1/b + 1/c ...)

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Q: What is harmonic mean and how is it used?
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What is the advantages and disadvantages of harmonic mean?

The advantage of harmonic mean is that it is used to solve situations in which there are extreme data values to true picture. The disadvantage of it is that it can be time consuming to evaluate the data.


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