Question: Why is the IQR sometimes preferred to the standard deviation? A. The IQR only uses a quarter of the data, while the standard deviation uses

Why is the IQR sometimes preferred to the standard deviation? A. The IQR only uses a quarter of the data, while the standard deviation uses all the data. B. The IQR only includes the largest and smallest observations, so it is easier to calculate. C. The IQR uses all the data except the outliers, while the standard deviation uses all the data. D. The IQR is not affected by an outlier, while the standard deviation is affected by an outlier

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