NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Precise index correction: was- Eye problems and IE, IC
From: Bill B
Date: 2006 Jul 14, 17:26 -0500
> Bill,
> Sigma as a sum of the series is the capital (upper case)
> sigma, and sigma as a variance is a small (lower case)
> sigma, so there will be no confusion on this list,
> even if sometimes we will discuss series, which is unlikely:-)
> (Lower case sigma looks somewhat similar to number 6).
>
>> Therefore I am confused. Is sigma always used as the
>> square root of the variance, or only in a statistical context?
>
> It is a standard notation is probability and statistics.
>
> Alex.
Alex
Thanks for slightly shrinking my large sphere of ignorance. Sigma, oops
sigma, works for me unless I start a sentence with it ;-)
Bill
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From: Bill B
Date: 2006 Jul 14, 17:26 -0500
> Bill,
> Sigma as a sum of the series is the capital (upper case)
> sigma, and sigma as a variance is a small (lower case)
> sigma, so there will be no confusion on this list,
> even if sometimes we will discuss series, which is unlikely:-)
> (Lower case sigma looks somewhat similar to number 6).
>
>> Therefore I am confused. Is sigma always used as the
>> square root of the variance, or only in a statistical context?
>
> It is a standard notation is probability and statistics.
>
> Alex.
Alex
Thanks for slightly shrinking my large sphere of ignorance. Sigma, oops
sigma, works for me unless I start a sentence with it ;-)
Bill
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---