Judy,

Jon Peltier has just updated his site to include a Run chart that you could
revise to be a control chart:

http://peltiertech.com/Excel/Charts/RunChtLines.html

Jon also has an example of a dynamic control chart:

http://www.peltiertech.com/Excel/Cha...s.html#CtrlCht

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Regards,
John Mansfield
http://www.pdbook.com



"Judy" wrote:

How do I easily draw in Excel the Upper and Lower limits of a control chart?

I want to draw lines for target, min value and max values. How I can do
that without having to make complete data series?