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Inter-Quartile Range, Outliers, Boxplots.

More on IQR and Outliers: - There are other ways to define outliers, but 1.5xIQR is one of the most straightforward. - If our range has a natural restriction, (like it cant possibly be negative), its okay for an outlier limit to be beyond that restriction. - If a value is more than Q3 + 3*IQR or less than Q1 –