bell-shaped curve


Also found in: Dictionary, Thesaurus, Medical, Financial.

bell-shaped curve

[¦bel ¦shāpt ′kərv]
(statistics)
The curve representing a continuous frequency distribution with a shape having the overall curvature of the vertical cross section of a bell; usually applied to the normal distribution.
References in periodicals archive ?
The distribution histogram of A-C in women shows a multimodal histogram contrary to the men's graph, which is a bell-shaped curve (Figure 3).
Now that we know the bell-shaped curve isn't always the right way to think about a particular problem, process, or operation, we can begin to design around it, and maybe take advantage of it," Granick said.
This theory suggests a bell-shaped curve rising from first discovery to peak and descending to depletion.
He proposed that the deer population response to urban development may be characterized like a bell-shaped curve.
In the late 1950s and early 1960s, Hubbert used a simple bell-shaped curve to forecast the annual rate of production in the lower 48 U.
My notes showed that tests such as these are "norm-referenced," designed so that the distribution of tests scores will reflect a bell-shaped curve.
For outpatients with bipolar depression, "I would probably shoot for 200-300 mg/day," but remember that proper dosing follows a bell-shaped curve, he said.
Diversity can often be represented by a bell-shaped curve of frequencies verses the extent of progressive views.
Considerable research has supported the existence of the classic bell-shaped curve, mostly based on food products and fast-moving consumer goods such as pop records and fashion clothing.
In other words, as reflected by a "normal" bell-shaped curve, the higher costs associated with some patients will be offset by the lower costs of others.