How does the concept of geometric mean differ from the arithmetic mean?
- Geometric mean cannot be used for negative numbers, arithmetic mean can
- Geometric mean uses addition, arithmetic mean uses multiplication
- Geometric mean uses multiplication, arithmetic mean uses addition
- There is no difference
The arithmetic mean involves the sum of the values divided by the number of values, while the geometric mean involves multiplying all the values together, and then taking the nth root of the product (where n is the total number of values). Geometric mean is especially useful when comparing different items with extremely variable ranges.
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