Reading a Graph
Mike Ruth
Pie Graph
A pie graph is a circular figure that is broken up into portions that look like slices of pie called sectors. These sectors are used to display relative sizes of data. It is a visually easy way to identify the highest results and lowest results.
Image: http://www.webquest.hawaii.edu/kahihi/mathdictionary/C/circlegraph.php
Bar Graph
A bar graph is a visual that uses different size bars to provide a visual of different data results. It's purpose is the same as a pie graph, but the results are listed as numerals, not percent of a whole.
Line Graph
A line graph shows information that is connected, like distance over time.
How to read a graph...
This is a lesson made by Khan Academy. Explore around and watch videos on different graphs, what kind of data they use, and when you would use each graph type.