The geometric mean is often used for data which take only on positive values and the values can vary significantly – e.g. by orders of magnitude. An example of such data in biomedical applications is the concentration of various substances in blood and other body fluids.
Week #28 – Geometric Mean
The geometric mean of n values is determined by multiplying all n values together, then taking the nth root of the product. It is useful in taking averages of ratios.