The number I'm working with is 1.67E6, and I need the 1st and 3rd sigma points.
O OGWONE May 17, 2010 #1 The number I'm working with is 1.67E6, and I need the 1st and 3rd sigma points.
D David Biddulph May 17, 2010 #2 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.
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.