Normal distribution/Definition: Difference between revisions

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a symmetrical bell-shaped probability distribution representing the frequency of random variations of a quantity from its mean <br><small>(defined as :<math>
a symmetrical bell-shaped probability distribution representing the frequency of random variations of a quantity from its mean.
\frac{1}{\sigma\sqrt{2\pi}} \, e^{ -\frac{(x- \mu)^2}{2\sigma^2}},</math> where <math> \scriptstyle{\sigma} \ </math> is the ''standard deviation'', and, <math> \scriptstyle{\mu} \ </math> is the mean.),</small>

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A definition or brief description of Normal distribution.

a symmetrical bell-shaped probability distribution representing the frequency of random variations of a quantity from its mean.

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