Critical Thinking: Outliers One indicator of an outlier is that an observation is more than 2.5 standard
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Critical Thinking: Outliers One indicator of an outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value 80.
(a) If a data set has mean 70 and standard deviation 5, is 80 a suspect outlier?
(b) If a data set has mean 70 and standard deviation 3, is 80 a suspect outlier?
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Related Book For 
Understandable Statistics Concepts And Methods
ISBN: 9780357719176
13th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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