bimodal distribution

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bimodal distribution

[bīmo′dəl]
Etymology: L, bis + modus, measure
the distribution of quantitative data into two clusters. It is suggestive of two separate normally distributed populations from which the data are drawn.
Bimodal distributionclick for a larger image
Fig. 65 Bimodal distribution . The peaks (or modes) represent the character values of height and weight for men and women.

bimodal distribution

a statistical pattern in which the frequencies of values in a sample have two distinct peaks, even though parts of the distribution may overlap. For example, the sexual differences between men and women for such characters as height and weight produce a bimodal distribution.

bimodal distribution

a distribution with two peaks separated by a region of low frequency of observations.
References in periodicals archive ?
This results in a highly bimodal distribution of actual LTDE at low CVD that is very far off the Bischak et al.
The bimodal distribution at the large population level poses interesting research questions that may be investigated in futre work: Does the majority of the population have near-evenly split fraction of miles between the different modes?
Despite efforts to encourage uniform reporting within methods, one can still see that a bimodal distribution is present in the CG1-B specimen (slightly elevated) in methods 2, 3, and 4, while specimen CG1-C (moderately elevated) demonstrates a bimodal pattern in all 4 methods.
The basis of the bimodal distribution in hulled oat has been shown to be related to the preponderance of double-kernel spikelets that results in two distinct sub-populations (Doehlert et al.
With the removal of studies that clearly violate criterion (a) there are unimodal egg size distributions in six taxa (8-13) and bimodal distributions in four taxa (4, 14).
It is possible that bimodal distributions could arise with one mode on either side of zero due to reversals, even with a strongly structured data set.