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Which of the following statements best describes standard deviation?The standard deviation tells us how much the data varies from the average.The standard deviation tells us if the data is valid.The standard deviation tells us how to use the data.The standard deviation tells us how large the data set is.

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ANSWER

The standard deviation tells us how much the data varies from the average.

EXPLANATION

The standard deviation is the variation of the data from the mean, also called the average. It is large when the data has more variation from the mean, and it is small when the data are concentrated close to the mean.

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