normal distributionnormal distribution
Statistics a symmetrical distribution, represented on a graph by a bell curve, in which the class with the highest frequency is at the center and the classes with the lowest frequencies are at each end
A theoretical frequency distribution for a random variable, characterized by a bell-shaped curve symmetrical about its mean. Also called Gaussian distribution .
(plural normal distributions)
- (statistics) Any of a family of continuous probability distributions such that the probability density function is the Gaussian function