The Sanctuary

Science => Mad Scientists => Topic started by: splooge gook on November 04, 2014, 04:40:15 am

Title: what's sigma squared?
Post by: splooge gook on November 04, 2014, 04:40:15 am: ahahahaahahahahaahahahaahahahahahahaah

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Title: Re: what's sigma squared?
Post by: Σ on November 04, 2014, 05:30:10 am: variance

Here is a nifty picture (http://www.philender.com/courses/intro/var1.gif)
Title: Re: what's sigma squared?
Post by: splooge gook on November 04, 2014, 06:34:56 am: ty i didnt expect an actual answer
Title: Re: what's sigma squared?
Post by: splooge gook on November 04, 2014, 07:16:15 am: maybe stupid but is there something that would be analogous to the square root of sigma?
Title: Re: what's sigma squared?
Post by: splooge gook on November 04, 2014, 07:16:58 am: just flip that shit upside down yo
Title: Re: what's sigma squared?
Post by: Idiosyncrasy on November 04, 2014, 01:49:43 pm: Quote from: splooge gook on November 04, 2014, 07:16:15 am
maybe stupid but is there something that would be analogous to the square root of sigma?

The square root of a variance is a standard deviation, but I don't think the square root of sigma is anything significant.
Title: Re: what's sigma squared?
Post by: stdio.h on November 04, 2014, 04:19:08 pm: ITT: People who have never taken a maths class beyond high school.
Title: Re: what's sigma squared?
Post by: Idiosyncrasy on November 05, 2014, 01:04:40 am: Quote from: stdio.h on November 04, 2014, 04:19:08 pm
ITT: People who have never taken a maths class beyond high school.

Regarding which comment(s)? Sigma is more prevalent to me in statistics, but I've taken a couple things here and there. Probably nothing of your caliber though.