Geometric mean (GM)
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Geometric mean (GM)
meodingu Tue Nov 02, 2010 4:42 pm
Geometric mean (GM)
Main article: Geometric mean
The geometric mean is an average that is useful for sets of positive numbers that are interpreted according to their product and not their sum (as is the case with the arithmetic mean) e.g. rates of growth.
\bar{x} = \left ( \prod_{i=1}^n{x_i} \right ) ^{1/n}
For example, the geometric mean of six values: 34, 27, 45, 55, 22, 34 is:
(34 \cdot 27 \cdot 45 \cdot 55 \cdot 22 \cdot 34)^{1/6} = 1,699,493,400^{1/6} \approx 34.545.
Main article: Geometric mean
The geometric mean is an average that is useful for sets of positive numbers that are interpreted according to their product and not their sum (as is the case with the arithmetic mean) e.g. rates of growth.
\bar{x} = \left ( \prod_{i=1}^n{x_i} \right ) ^{1/n}
For example, the geometric mean of six values: 34, 27, 45, 55, 22, 34 is:
(34 \cdot 27 \cdot 45 \cdot 55 \cdot 22 \cdot 34)^{1/6} = 1,699,493,400^{1/6} \approx 34.545.
meodingu- Member
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Registration date : 2010-09-28
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