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Normal distribution (view source)
Revision as of 16:24, December 11, 2008
, 16:24, December 11, 2008adding pics
{|align="right" border="1"
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|<center>probability density function</center>
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|[[Image:Norm.png|px=200]]
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|<center>cumulative probability function</center>
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|[[Image:Law-norm.png|px=200]]
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The '''normal distribution''' is a key distribution in the field of [[probability]]. It is also known as the the Gaussian distribution, after [[mathematician]] [[Carl Friedrich Gauss|Carl Gauss]], and the [[bell curve]].
The '''normal distribution''' is a key distribution in the field of [[probability]]. It is also known as the the Gaussian distribution, after [[mathematician]] [[Carl Friedrich Gauss|Carl Gauss]], and the [[bell curve]].
The normal [[probability density function]] (PDF) is
The normal [[probability density function]] (PDF) is
where
where
<math>\mu</math> is the [[mean]] and <math>\sigma^2</math> is the [[variance]].
<math>\mu</math> is the [[mean]] and <math>\sigma^2</math> is the [[variance]].
[[category:Probability and Statistics]]
[[category:Probability and Statistics]]