Hi!

I am applying the stddev function (so actually stddev_samp), however when 
comparing with the sample standard deviation in Excel the resuls do not match.
I cannot find in your documentation any more specifics on how the sample 
standard deviation is calculated, so I cannot compare the difference toward 
excel, which uses
[cid:image003.png@01D9EAF8.AE708920].
I am trying to avoid using Excel at all costs, but if the stddev_samp function 
is not calculating the standard deviation correctly I have a problem.
I hope you can help me resolve this issue.

Kindest regards,

Helene Bøe
Graduate Project Engineer
Recycling Process & Support
M: +47 980 00 887
helene.b...@hydro.com<https://intra.hydro.com/EPiServer/CMS/Content/en/%2c%2c9/?epieditmode=False>

Norsk Hydro ASA
Drammensveien 264
NO-0283 Oslo, Norway
www.hydro.com<https://intra.hydro.com/EPiServer/CMS/Content/en/%2c%2c9/?epieditmode=False>

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