Use this tool to create a customized box plot with your own data, or display a box plot of an included set of data.
If you are using one of these browsers, it is likely that you do not have
your browser's menu.
Choose a data set from the drop‑down menu, or enter your own data in the
box at the bottom of the screen. When entering data on your own, you
can place each data point within a category by placing a comma and a
category name after the data. For instance, to indicate that 2.499
indicates the price of a gallon of gas at a gas station in Tennessee,
you might enter "2.499, TN" in the data box. Note that a maximum of
four categories can be designated.
Choose "Graph All Data" to see a boxplot of all the data combined, or
choose "Graph By Category" to see separate boxplots for each category
within the data set.
Use the slider to set the Extreme Range. The displayed value is the multiple of the IQR (the interquartile range,
which is the distance between the 25th and the 75th percentile). For
example, if the Extreme Range is 1.5, and the distance from the 25th to
the 75th percentile is 60, then an extreme value is any point that lies
more than 60 × 1.5 = 90 points above the 75th percentile or 90 points
below the 25th percentile. Extreme values will be indicated by green
dots beyond the ends of the boxplot.
After making any changes to the settings, be sure to click Update Boxplot to generate the new results.
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