You can easily apply custom error bars to a series. I describe how he

http://peltiertech.com/Excel/ChartsHowTo/ErrorBars.html

- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services - Tutorials and Custom Solutions -
http://PeltierTech.com/
2006 Excel User Conference, 19-21 April, Atlantic City, NJ
http://peltiertech.com/Excel/ExcelUserConf06.html
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"del" wrote in message
...
Generally error bars (standard deviations) vary point-by-point in a graph
depending on the distribution of individual values for each point. Excel
can
calculate these separate standard deviations, but there appears to be no
way
to display them in a graph. Has anyone found a way around this?