The Quantiles option adds the following elements to the plot:
Note: To hide these elements, click the red triangle next to Oneway Analysis and select Display Options > Box Plots or Grand Mean.
The outlier box plot is a graphical summary of the distribution of data. Note the following aspects about outlier box plots (see Examples of Outlier Box Plots):
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The difference between the 1st and 3rd quartiles is called the interquartile range.
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Each box has lines, sometimes called whiskers, that extend from each end. The whiskers extend from the ends of the box to the outermost data point that falls within the distances computed as follows:
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