Definition, Meaning & Synonyms

bimodal distribution

Noun

/ˌbaɪˈmoʊdəl dɪsˌtrɪbjuːˈʃən/

Definition

A statistical distribution with two different modes, or peaks, that occur at different values in the data set.

Examples

In a study of heights, if one group consists of children and another of adults, the resulting graph may reveal a bimodal distribution.
The exam scores reflected a bimodal distribution, with one peak at low scores and another at high scores.
Researchers observed a bimodal distribution in the data collected from both urban and rural populations.

Meaning

The term describes a situation in statistics where a set of values has two distinct frequencies or occurrences that are noticeably higher than others, indicating two different underlying groups or processes.