Mean and Standard Deviation Calculation | Free Math Help

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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

$overline{X} = ~1/n sum{i=1}{n}{{X_i}}~~~~~~~ s = ~1/{n - 1} sum{i=1}{n}{}({X_i} - overline{X})^2$

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