# Xbar and R chart

> statistical tool

**Wikidata**: [Q2597868](https://www.wikidata.org/wiki/Q2597868)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/X̅_and_R_chart)  
**Source**: https://4ort.xyz/entity/xbar-and-r-chart


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)