Charts / Glossary
Distribution
A chart word, with the charts that use it.
Definition
A distribution is how values spread across a range: where they cluster and where they thin out. It shows what is typical and how long the tail is.
Updated Nov 2, 2026
- 01Where values clusterThe tallest bars are the typical values.
- 02The tailThe long, thin end shows the rare, slow values.
Where you see it
006 · HistogramDistribution · AI data
043 · Box plotDistribution · AI data
055 · RidgelineDistribution · AI data
Common mistakes
Showing only the average
An average hides a long tail. Show the spread, or the median and P95.
Comparing shapes on different scales
Put the groups on one shared axis.
Questions
Which chart shows a distribution best?
A histogram for one group, a box plot or a ridgeline for several.
What are P50 and P95?
The values half and 95 in 100 of the data sit below.
Every chart word, A to Z.
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