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Contents of Outliers and Interquartile Range

Outliers and Interquartile Range

• One method for identifying these outliers involves the use of quartiles.
• The interquartile range (IQR) is Q3-Q1.
• All numbers less than Q1 - 1.5(IQR) are probably too small.
• All numbers greater than Q3 + 1.5(IQR) are probably too large.