View Single Post
  #2   Report Post  
Posted to microsoft.public.excel.worksheet.functions
David Biddulph[_2_] David Biddulph[_2_] is offline
external usenet poster
 
Posts: 8,651
Default How do I calculate the 3 sigma of a number?

A single number doesn't have a sigma value. Sigma is the standard deviation
of a group of numbers; look up the STDEV function in Excel help.
--
David Biddulph


"OGWONE" wrote in message
...
The number I'm working with is 1.67E6, and I need the 1st and 3rd sigma
points.