bell curve


Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.

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 ?
This gap represents the space between those advanced manufacturing sites and the area under the bell curve that represents the state of the industry for most manufacturers.
In it the dean asked his professors to use a bell curve method for designing exams, which estimates that five per cent of students would get As, 15pc would get Bs, 60p would get Cs, 15pc would Ds and 5pc would get Fs.
In order to understand "fat tails" we have to start with "tails." The standard bell curve graph that we see used for everything from test scores to potential returns is fat in the middle and very narrow at the edges, which are also known as the "tails."
For many years I've used the analogy of the Bell curve to describe the potential threats for which a student should be training.
Bivariate is not a Bavarian pastry, and Chi-square is not a fancy herbal tea, but you don't need a degree in statistics to understand bell curve distributions.
Well, let's start on the less intense end of the bell curve. Most Americans don't carry guns at all and manage not to get killed.
So has been the annual exercise of pinning people on the bell curve for appraisal.
"Many criticisms of The Bell Curve, most notably Charles Lane's thorough takedown in The New York Review of Books, have pointed out that Murray's attempts to link social inequality to genes are based on the work of explicitly racist scientists," according to (https://www.splcenter.org/fighting-hate/extremist-files/individual/charles-murray) Southern Poverty Law Center.
If one plotted out how many individual instances there were of each possible score, the shape would come out looking like a bell, which is why normal distribution is called a bell curve. A standard deviation calculates where on that normal curve one would expect a given score to fall.
The third edition adds sections on the bell curve and the van der Pol nonlinear equation.
Most salespeople fall into the lukewarm middle of this bell curve. You've been in the business long enough that you don't make the simple missteps that immediately drive a prospect away, but you might struggle to consistently knock your meetings out of the park.