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Harmonic mean

Average positive rates for equal quantities.

How this works

H = n/Σ(1/x). Appropriate, for example, for speeds over equal distances, not equal times.

Example

Using the example inputs, harmonic mean is 40.

Positive rates
30, 60
Harmonic mean
40

Scope and assumptions

Uses your inputs only; results are rounded for display.

NIST statistical methods handbook

Related calculators

Root mean square

Geometric mean

Mean, median & mode

Weighted average

Interquartile range

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