Centers for Disease Control and Prevention
Major Disparities in Adult Cigarette Smoking Exist Among and Within Racial and Ethnic Groups
Data indicates that some racial groups smoke more than others, and that with that racial group, there are smaller groups whose smoking habits vary as well. Secondary learners read a graph that details the differences between the Asian...
Rice University
Rice University: Cynthia Lanius: Let's Graph
An introduction to bar graphs, both vertical and horizontal in nature. The interactive aspect of this site allows students to change the values of the data - their favorite cafeteria foods - and then see how the graph is changed.
Other
Hubspot: Data Visualization 101: How to Design Charts and Graphs
Your data is only as good as your ability to understand and communicate it, which is why choosing the right visualization is essential. Learn more in this guide.
Other
Brebeuf Jesuit Preparatory School: The Scientific Method (Part 3) [Pdf]
Explains how to collect and organize data for an experiment. Describes how to make a table and graph the data, and when to use different types of graphs. Next, it discusses which variable should be on the x- or y-axis of a graph, and how...
Other
The Topic: Charts and Graphs
Brief descriptions of charts and graphs, followed by links to larger sites on the same subject.
Wolfram Research
Wolfram Math World: Pie Chart
This page briefly discusses the use of pie charts (or circle graphs) in representing data. Provides detailed information for understanding.