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The harmonic mean is the reciprocal of the arithmetic mean of reciprocals. It is the correct average for rates — when the denominator unit (time, distance) is constant.

Stapsgewijze handleiding

1. 1HM = n / (1/x₁ + 1/x₂ + ... + 1/xₙ)
2. 2Always ≤ geometric mean ≤ arithmetic mean
3. 3Use for averaging rates, speeds, P/E ratios

Uitgewerkte voorbeelden