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# Mean and Standard Deviation Calculator

The following tool will compute the sample mean and sample standard deviation of a data set. The formulas used are

$\bar{X} = \frac{1}{n} \sum_{i=1}^{n}{{X_i}}\,\,, \,\, s = \frac{1}{n - 1} \sum_{i=1}^{n}({X_i} - \bar{X})^2$