Shodor Education Foundation
Shodor Interactivate: Lesson: Histograms and Bar Graphs
This site provides information on Histograms and Bar Graphs. It includes worksheets, key terms, and links to further information.
CK-12 Foundation
Ck 12: Types of Data Representation: Graphic Displays of Data
[Free Registration/Login may be required to access all resource tools.] Here you will explore displays of data using bar charts, histograms, pie charts and boxplots, and learn about the differences and similarities between them and how...