Box and Whisker Plots

Box plot is a tool to visually represent the range, interquartile range, median, mode, outliers, and all quartiles.

Outliers in Box and Whisker Plots

The standard definition for an outlier is the number which is less than Q1 or greater than Q3 by more than 1.5 times the interquartile range ( IQR=Q3−Q1 ).

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