How is %CV calculated?

The %CV is calculated for each analyte in our software, NPX Manager, on linear NPX values (2^NPX) in the following way:

Intra CV (per plate) = stdev(control samples per plate)/average(control samples per plate)
Inter CV (between plates) = stdev(control samples on all plates)/average(control samples on all plates)

NPX Manager reports the average intra CV over analytes and over all plates
NPX Manager reports the average inter CV over analytes

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