Each of the ten MassDEP Stormwater Management Policy ...

The outlier boxplot is constructed by using the quartiles of the variable. The box has a left edge at the first quartile (i.e. 25th quantile) and right edge at the third quartile (i.e. 75th quantile). The width of the box thus shows the interquartile range (IQR) for the data. The vertical line in … ................
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