measures of dispersion calculator

In an equivalence trial, the statistical test aims at showing that two treatments are not too different in characteristics and a non-inferiority trial wants to show that an experimental treatment is not worse than an established treatment. Example : Calculating Sample Mean and Variance Assume that the returns realized in the previous example were sampled from a population comprising returns. For this example, suppose we entered the data in column A from cell A1 to A Table of contents. By now, you have understood how to calculate the dispersion of data, but some of you might still be wondering why is dispersion calculated?

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