Statistics a curve resembling the outline of a flared bell, usually representing a normal distribution
The typically symmetrical curve of a normal distribution, resembling the profile of a bell. Also called bell-shaped curve . Also called normal curve .
A symmetrical bell-shaped curve that represents the distribution of values, frequencies, or probabilities of a set of data. It slopes downward from a point in the middle corresponding to the mean value, or the maximum probability. Data that reflect the aggregate outcome of large numbers of unrelated events tend to result in bell curve distributions.