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#1 2013-10-31 12:58:44
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,713
Random Variables
Three new (related) pages:
Random Variables - Mean, Variance and Standard Deviation
How are they? Any mistooks?
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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#2 2013-10-31 14:10:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Random Variables
Hi;
Okay! Very good.
Nice example, not only informative but mouth watering also.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#3 2013-10-31 21:10:42
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,621
Re: Random Variables
hi MathsIsFun,
All good. 
You might consider a link from Variance on the third page to your Standard Deviation and Variance page.
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob
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#4 2013-11-01 08:45:25
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,713
Re: Random Variables
Thanks guys!
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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#5 2013-11-01 16:22:02
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: Random Variables
Hi MathsIsFun,
They're good!
You may consider adding a few lines about central moments, and tell that variance is one of those.
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
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#6 2013-11-02 13:24:45
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,713
Re: Random Variables
Good idea gAr
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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