How do you calculate the standard deviation of a dataset, and what does it tell you about the spread of the data?

To calculate the standard deviation of a dataset, first find the mean (average) of the data. Then, subtract the mean from each data point and square the result. Next, find the average of these squared differences. Finally, take the square root of this average. The standard deviation measures the spread of the data around the mean, indicating how much individual data points deviate from the average value.

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