Normal distribution

From Conservapedia
Jump to: navigation, search
probability density function
px=200
cumulative probability function
px=200

The normal distribution is a key distribution in the field of probability. It is also known as the Gaussian distribution, after mathematician Carl Gauss, and the bell curve. The normal probability density function (PDF) is

where is the mean and is the variance.

If and , the distribution is called the standard normal distribution, often denoted by :


See also