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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 ...
What Does Standard Deviation Measure In a Portfolio?
Fact checked by Suzanne Kvilhaug Reviewed by Chip Stapleton For a given data set, standard deviation measures how spread out the numbers are from an average value. This measurement of average variance ...