leo - 1-3-2007 at 13:07
Could anyone please tell me why is the Normal Distribution Curve important?what does it mean for us? and how can we comment on the bell curve?
I know how to calculate bell curve, mean and standart deviation but how can I explain the data?
thanks so much
LEO
pantone159 - 1-3-2007 at 13:37
See the Central Limit Theorem.
http://en.wikipedia.org/wiki/Central_limit_theorem
Basically, if you take many random values with nearly any kind of distribution at all (normal or not), the combination will approach a normal
distribution.
leo - 1-3-2007 at 14:05
Thanks pantone159
GhostofUnintentionalChaos - 1-3-2007 at 16:25
We've used this site before for stats class. It is quite helpful http://wise.cgu.edu
Ozone - 1-3-2007 at 16:33
Be sure to check out the Poissan distribution as well; it frequently is a more accurate model.
Cheers,
O3