An overall score is based on a geometric mean.
The geometric mean can be understood in terms of geometry.
The geometric mean of a data set is given by:
This makes the choice of the geometric mean less obvious than one would expect from the "Properties" section above.
Figure 1 also attempts to represent geometric means by columns, which makes no scientific sense.
It states that the geometric mean of the two segments equals the altitude.
The arithmetic mean return is always higher than the geometric mean.
The geometric mean of two numbers is midway between the numbers.
Therefore, we never actually get an inequality involving the geometric mean of three equal numbers.
The geometric mean is the root of the product of all values.