Concept
Version 9
Created by Boundless
Recognizing and Using a Histogram

The Histogram
This is an example of a histogram, depicting graphically the distribution of heights for 31 Black Cherry trees.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Black cherry tree histogram."
http://en.wikipedia.org/wiki/File:Black_cherry_tree_histogram.svg
Wikipedia
CC BY-SA.