Question: For Variable data we often look at the variability WITHIN the samples. for this we could look at the RANGE or the standard Deviation of

For Variable data we often look at the variability WITHIN the samples. for this we could look at the RANGE or the standard Deviation of the Values in the sample.

Why would we choose RANGE over standard deviation of a sample? Is there some guidelines we would use.

this Question is regarding to Project management program and Project Quality management Quality coarse

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