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Extension:Charts should support Box plots
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Description

Feature summary:

Box Plots (box and whisker plots) are a major simple type of chart.

https://en.wikipedia.org/wiki/Box_plot

They are covered by the Apache eCharts:

https://echarts.apache.org/examples/en/editor.html?c=boxplot-light-velocity

Event Timeline

Here are some box plots offered by Apache ECharts:
https://echarts.apache.org/examples/en/index.html#chart-type-boxplot

That is useful for showing the spreading of real data for a large number of instances or repated experiments, which we seldom store in .tab pages. The data is typically already analyzed, and we display the average value, occasionally along with its estimated uncertainty. Therefore, I think it is even more useful to offer error bars, indicating the nominal value +- the standard error, or +- the confidence interval. For example, in error bar charts:
https://echarts.apache.org/examples/en/editor.html?c=custom-error-bar
Or in error scatter charts:
https://echarts.apache.org/examples/en/editor.html?c=custom-error-scatter