Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to normal curve: standard deviation
See bell curve.
(Statistics) statistics a symmetrical bell-shaped curve representing the probability density function of a normal distribution. The area of a vertical section of the curve represents the probability that the random variable lies between the values which delimit the section
a bell-shaped curve showing a particular distribution of probability over the values of a random variable.
Switch to new thesaurus
|Noun||1.||normal curve - a symmetrical curve representing the normal distribution|
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters