Function: noun
Date: 1897
: a probability density function that approximates the distribution of many random variables (as the proportion of outcomes of a particular sort in a large number of independent repetitions of an experiment in which the probabilities remain constant from trial to trial) and that has the form f(x) = (1/( σ √ 2 π ))e (-1/2[(x- µ )/ σ ] 2 ) where µ is the mean and σ is the standard deviation ― compare NORMAL CURVE