Bell Curve

(redirected from bell-shaped curve)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.

Bell Curve

A curve on a chart in which most data points cluster around the median and become less frequent the farther they fall to either side of the median. When plotted on a chart, a bell curve looks roughly like a bell.
References in periodicals archive ?
The genius in Hubbert's approach stems from a simple aspect of his bell-shaped curve: relatively large uncertainties about recoverable oil supply have relatively little effect on the timing of the peak.
Within the broader bell-shaped curve of Democrats, Rep.
Unfortunately, as expected, the bell-shaped curve for some centers is more adversely skewed than it is for others, with unacceptable economic and patient care consequences for everyone.
We generally advise clients to stay in the middle of the bell-shaped curve as much as they can.
A generation ago, Benjamin Bloom showed that half of the "bell-shaped curve" of achievement was due to differences in readiness of learners.
Second, historical data suggests that returns, and the variance of returns, follow a familiar statistical pattern (a bell-shaped curve), which is a precondition for modeling an efficient set of portfolios.
The classic bell-shaped curve is more accurately described as flat-top bell-shaped.
Managers of large groups also have to assign these scores according to a bell-shaped curve, he adds, so that about 40% of Microsoft employees receive scores around the 3.5 mark, while 35% score above 4.0 and 25% score below 3.0.
During my argument, I drew a very simple bell-shaped curve on the drawing board.
One graphic result of a process-capability study is a bell-shaped curve, familiar to anyone who has been exposed to SPC (see chart on facing page).