How to Find the Standard Deviation?

In order to calculate the standard deviation of a set of numbers your first step is to discover the mean. The mean is the sum of all of the numbers divided by the quantity of numbers. As an example, the mean of 2,3,5 and 6 would be 4, because the numbers total 16 and there are 4 of them 16/4=4. Once you have the mean you will subtract that number from every number in the list, this will result in .
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