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Instruction
Standard Deviation
Standard deviation
Standard deviation is a way to describe how much a set of values differs from the mean. For instance, let's assume we have the following data points:
1, 2, 3, 7, 8, 9
The mean of this data set is 5, but 5 is not one of our data points. It would be interesting to know how much the values differ from the mean. This is what standard deviation is designed to d...