Geometric Mean (Jump to: Lecture | Video )

Geometric Mean

A geometric mean is a type of average. It is calculated by multiplying each n in a set of numbers, and then taking the nth root, where the nth root is equal to the size of the set.

Let's take the geometric mean of the following set of numbers:

2, 5, 8, 9

Figure 1.

The geometric mean of our set of numbers is 5.18.

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