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Pooled Standard Deviation: How Do You Calculate It?

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...
Seeking Alpha

Coefficient Of Variation: A Better Metric To Compare Volatility

The Standard Deviation is the basic metric to measure volatility. However, the Standard Deviation is an absolute measurement, not a relative measurement. To compare the volatility of two or more data ...