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Ako vypočítať Harmonic Mean

Čo je Harmonic Mean?

The harmonic mean is best for rates and ratios. It emphasizes smaller values in a dataset and is the reciprocal of the arithmetic mean of reciprocals, often used for average speeds.

Vzorec

HM = n / (1/x₁ + 1/x₂ + ... + 1/xₙ)

Sprievodca krok za krokom

  1. 1Calculate the reciprocal of each number
  2. 2Sum all reciprocals
  3. 3Divide n by the sum of reciprocals

Worked Examples

Vstup
Speeds: 60 km/h, 40 km/h
Výsledok
HM = 48 km/h
2 / (1/60 + 1/40) = 48

Common Mistakes to Avoid

  • Confusing harmonic and arithmetic means
  • Wrong application context

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