Geometric Mean

A statistic calculated by multiplying n data values together and taking the n-th root of the result.

It is often used as a measure of central tendency for positively skewed distributions. The geometric mean may also be calculated by computing the arithmetic mean of the logarithms of the data values and taking the inverse logarithm of the result.

Each term of a geometric series is the geometric mean of its adjacent terms.

See also: Harmonic Mean, Mean.

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Subjects: Statistics