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Standard Deviation

Standard Deviation is a statistical term that measures the amount of variability or dispersion in a set of data values. In simpler terms, it shows how much the data varies from the average or mean. A low standard deviation means that the data points tend to be close to the mean, while a high standard deviation indicates that the data is spread out over a wider range. It's commonly used in marketing to analyze customer behavior, sales trends, or campaign performance.

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