How do you calculate the standard deviation of a dataset, and what does it tell us about 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. Standard deviation measures the dispersion or spread of the data points around the mean. A low standard deviation indicates that data points are close to the mean, while a high standard deviation suggests greater variability.

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