# bell-shaped curve

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## bell-shaped curve

the curve of the probability density function of the normal distribution, resembling the outline of a bell. Also called normal curve.

## gaus·si·an dis·tri·bu·tion

(gow'sē-ăn dis'tri-byū'shŭn)
The statistical distribution of members of a population around the population mean. In a gaussian distribution, 68.2% of values fall within ± 1 standard deviation (SD); 95.4% fall within ± 2 SD of the mean; and 99.7% fall within ± 3 SD of the mean.
Synonym(s): bell-shaped curve, normal distribution.
References in periodicals archive ?
The middle-aged woman juror told me later that since the defense did not rebut my argument of the bell-shaped curve, the jurors felt that they should award at least what I thought was the minimal amount.
Such genes in multi-gene systems have been called quantitative trait loci (QTL) because a trait is likely to be distributed quantitatively in a bell-shaped curve if multiple genes affect the trait.
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).
Most are married couples and statistically follow a bell-shaped curve of older and younger Jews, Prum Hess said.
Since maintenance intervals are determined by a bell-shaped curve of useful component life, many times you are performing maintenance procedures that are not yet really required.
This can be depicted on a graph as a bell-shaped curve.
These values would fall into a bell-shaped curve with, perhaps, most of the people saying that 70 [degrees] F was ideal.
A bell-shaped curve was obtained as a function of the crude bsMAb concentration.
There was also this scene where the principal or somebody hit a huge bell with a small horizontal tree, and everyone lined up in a bell-shaped curve or something.
The spectrum of a group of atoms, however, spreads into a bell-shaped curve, because the speeds of individual atoms vary.
Tensile strength is also affected by coagents, but due to its bell-shaped curve in relation to crosslink density it is not the best indicator of coagency.

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