Normal Distribution

The normal distribution (the term first used by Galton, 1889) function is determined by the following formula:

- < x <
where
is the mean
is the standard deviation
is the base of the natural logarithm, sometimes called Euler's e (2.71...)
is the constant Pi (3.14...)
Normal Distribution (animation)
See also, Bivariate Normal Distribution , Elementary Concepts (Normal Distribution) , Basic Statistics - Tests of Normality