bell-shaped curve


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bell-shaped curve

 (bĕl′shāpt′)

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bell-shaped curve - a symmetrical curve representing the normal distribution
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
curve, curved shape - the trace of a point whose direction of motion changes
References in periodicals archive ?
A normal curve looks like a bell, which is why it is called a bell-shaped curve.
The calculation of the standard deviation is only meaningful if the data are normally distributed, ie, if they produce a symmetrical bell-shaped curve when plotted.
It's a bell-shaped curve, and these teens are outliers.
The notion that students' scores and grade distributions should resemble a normal bell-shaped curve is based largely on the assumption that intelligence (IQ) tests scores generally resemble a normal distribution.
Under a bell-shaped curve, there is a 50% chance the value could be higher and a 50% chance it could be lower.
The second part supplies bell-shaped curve models of possible depletions, including the likely exhaustion of uranium resources by 2030.
This means that instead of a one-size-fits-all approach aimed toward those at the center of the bell-shaped curve, companies can understand and reach out to the customers on either end of the curve, who were once underserved.
The distribution histogram of A-C in women shows a multimodal histogram contrary to men's graphwhich is a bell-shaped curve.
The models examined include general systems theory, attachment theory, the stages of change model, the normal or bell-shaped curve, and hierarchies and inverted hierarchies.
This is probably a bell-shaped curve, so an agreed-upon cut point will be required.
The bell-shaped curve of intelligence suggests only two percent of students can achieve straight A grades and score in the 98th percentile on the SAT/ACT.