“A picture is worth a thousand words…”

Visual Displays of Data

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

Some picture are extremely complex and are open to numerous

interpretations and meanings.

Some images can have two

clear interpretations

Some images have only one meaning

Now, mathematicians like to draw pictures as well

Pictures that mathematicians use to represent relationships

are called….

GRAPHS

Graphs help us display the information that may be found in a collection of

data in a more meaningful way.

Mathematicians turn Data like this:

The most useful graph structure of all, in terms of investigation

and communication of mathematical modeling…

The Scatterplot(which evolves into the line graph….)