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Unformatted text preview: Numerically the range equals the highest score minus the lowest score Standard deviation: average deviation from the mean in the original units of measurement. For example; an s of 2.35 when the original unit of measurement is minutes means that the average deviation from the mean for a data set in minutes is 2.35 minutes. Standard deviation (s) tells how much the data are dispersed or spread around the average....
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- Spring '09