create SPC chart with 3 sigma Upper/Lower control limit

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Hi all
How can I create a Statistic Process Control chart with 3 sigma Upper
control limit
and 3 sigma Lower control limit. The chart must be updated with new data.
For example sale vs month chart for sale department and I know some data for
last year.
Must be some where have this tutorial please respond with the link.
Thks
Daniel
 
Hi Jon
THe link shows bad intructions, not fully expressed, created confusion. Can
not follow but thanks for
the respond.
Daniel
 
Daniel -

Respond offline (remove capital letters from my posted email address) and
let me know where you had difficulties with the tutorial. I will rewrite the
instructions to make them clearer and more complete.

Thanks,
- Jon
 
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