16. The least accurate statement about measures of dispersion for a distribution is that the: A. range provides no information about the shape of the data B. mean absolute deviation will always be smaller than the standard deviation C. arithmetic average of the deviations around the mean will always be equal to one D. variance of a sample with 50 observations is computed by dividing the sum of the squared deviations from the mean by 49
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发表于 2008-11-10 03:51
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