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Re: st: Why many things have Normal distribution
From
David Hoaglin <[email protected]>
To
[email protected]
Subject
Re: st: Why many things have Normal distribution
Date
Thu, 29 Aug 2013 16:06:28 -0400
Vinicius,
I have the opposite point of view. Among statisticians it's pretty
well understood that real data are never normal. Often, not even
approximately.
In many situations the behavior of a sample mean is close to a normal
distribution, appealing to the Central Limit Theorem.
David Hoaglin
On Thu, Aug 29, 2013 at 2:27 PM, Marcos Vinicius
<[email protected]> wrote:
> hello,
> Yesterday someone asked me a philosophical question :Why many things have Normal distribution ( or at least approximately)?
> My answer: It is a type of symmetry we observe in nature.. maybe a String Theory specialist may have a technical answer.
> How do you answer that question?
> CLT maybe ?
>
> Regards,
> Vinicius
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