Encyclopedia

bell-shaped curve

Also found in: Dictionary, 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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in
References in periodicals archive
"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.
If the bell-shaped curve held true, the bulk of coffee would fall into the average, or mediocre category, with a very small percentage of "bad ccoffee" at the bottom of scale.
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.S.
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. Such a test has numerous interference techniques, such as questions about above-grade level material never presented to students, multiple choice questions, and inadequate time to answer questions.
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.
Antibody-dependent enhancement in FIPV demonstrates a bell-shaped curve with increasing dilutions; maximal enhancement occurs at subneutralizing titers (34).
"The average age of menopause is 51 years, and [bone mineral density] at that age follows a bell-shaped curve of distribution.
It is the familiar bell-shaped curve. However, not every bell-shaped curve is a normal distribution.
Since norm-referenced test scores are based on a bell-shaped curve, 50% of the students who take the test fall below average and 50% fall above.
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.