Google is your friend:

http://www.qualityamerica.com/knowle...NGE_CHARTS.htm
http://www.qualityamerica.com/knowle...NGE_CHARTS.htm
http://www.adamssixsigma.com/Glossar...glossary_R.htm
www.qualitydigest.com/apr/spctool.html

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
_______


"soconfused" wrote in message
...
I've just been asked by my boss to create a range chart. I have no idea
with
it is.
--
DMM