bell curve

(redirected from bell curves)
Also found in: Financial, Encyclopedia.

bell curve

n.
The typically symmetrical curve of a normal distribution, resembling the profile of a bell. Also called bell-shaped curve, normal curve.

bell′ curve`


n.
a frequency distribution in statistics that resembles the outline of a bell when plotted on a graph. Also called bell-shaped curve.
click for a larger image
bell curve
graph showing the distribution of a set of test scores where the average grade was a C

bell curve

A symmetrical bell-shaped curve that represents the typical distribution and frequency of the values of a set of random data. It slopes downward from a point in the middle corresponding to the mean.
References in periodicals archive ?
I was just happy for bell curves, and their use to normalize a distribution.
To provide visual aids for FTR instruction, the author created bell curves of physiological changes seen in clinical deterioration due to hypoxia and/or hypoperfusion.
But it would have been more beneficial if a chapter specifically dedicated to network analysis could have been added and another one focusing on new tools like S Curves, Bell curves, application of theory of constraints (critical chain) etc.
The OECD report does not actually include any statistics shown as bell curves, perhaps because its authors know that such representations would arouse suspicion.
Test preparation is an imperative for educational success in a society fixated on test taking," says Akil Bello, co-founder and vice president of educational development for Bell Curves L.
That, as opposed to trying to shift the production attributes and bell curves of an entire population by shooting at mill-run averages as has been done traditionally.
What was unexpected, the Purdue researchers say, was how much the bell curves shifted toward improvements in patient quality of life.
News and World Report, 117, 16(October 24, 1994):73-80; Richard Lacayo, "For Whom the Bell Curves," Time, 144, 17(October 24, 1994):66-67; Tom Morganthau, "IQ: Is it Destiny?
So what do we find when we look at bell curves for uric acid?
Orlando Patterson, a Harvard University professor of sociology, in a chapter titled "For Whom the Bell Curves," writes "Something is dreadfully wrong with the culture of black America; we know what its causes were, but to spend more time arguing over who is to be blamed is to blow one's flute while the city burns.
Given the interest in the Bell Curve, however, it appears that they were merely suppressed, but not forgotten.