2. “A picture is worth a thousand words…”

3. Visual Displays of Data People have used pictures for thousands of years (long before language) to communicate every kind of concept or idea.

4. Some picture are extremely complex and are open to numerous interpretations and meanings.

7. Some images can have two clear interpretations

8. Some images have only one meaning

9. Now, mathematicians like to draw pictures as well

10. Pictures that mathematicians use to represent relationships are called…. GRAPHS

11. Graphs help us display the information that may be found in a collection of data in a more meaningful way.

12. Mathematicians turn Data like this:

18. The most useful graph structure of all, in terms of investigation and communication of mathematical modeling… The Scatterplot (which evolves into the line graph….)