What is a unimodal distribution?

1 Answer
Dec 21, 2015

A unimodal distribution is a distribution that has one mode.

Explanation:

A unimodal distribution is a distribution that has one mode. We see one obvious peak in the data. The image below shows a unimodal distribution:

![http://www.fao.org/wairdocs/ilri/x5469e/x5469e0e.htm](useruploads.socratic.org)

In contrast, a bimodal distribution looks like this:
![www.eng.uc.edu)

In the first image, we see one peak. In the second image, we see that there are two peaks. A unimodal distribution can be normally distributed, but it doesn't have to be.

![http://www.statisticshowto.com/what-is-a-bimodal-distribution/](useruploads.socratic.org)