If the mean of a sample’s scores is 30 and the standard deviation is 2, it is reasonable to conclude that:

If the mean of a sample’s scores is 30 and the standard deviation is 2, it is reasonable to conclude that:
the sample’s scores are clustered tightly around the mean.
the sample has at least several outliers.
the range of scores is large.
the mean and the median are substantially different.

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