Discussion
\(\sqrt[n]{a_{1} * a_{2} * a_{3} * \ldots\ldots\ a_{n}} = \) ?
Answer: C
The expression is the geometric mean.
The geometric mean of \(n\) positive values is the \(n\)th root of their product:
\[ G = \sqrt[n]{a_{1} a_{2} a_{3} \cdots a_{n}} \]
For example, the geometric mean of 2 and 8 is \(\sqrt{16} = 4\). It suits growth rates and ratios.
The arithmetic mean adds the values and divides by \(n\); the harmonic mean is \(n\) divided by the sum of the reciprocals. 'Absolute mean' is not a standard average.
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