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Unformatted text preview: complete description of center and spread. Used most often with describing skewed distributions. A modified boxplot plots outliers as isolated points. The variance is the standard deviation squared. The standard deviation is the square root of the variance. The standard deviation is the most what is used most commonly for describing distribution. It is looking at how far the observations are from their mean. If the standard deviation=0 that means there is no spread. S cannot be a negative number. It is strongly influenced by extreme observations....
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- Fall '08