If all went well you should have a scatter plot of

your data on the screen!

At this point lets take a moment to analyze your graph.

Does your graph indicate some pattern?__________

Describe it__________________________________________________________

Have you seen graphs similar to this before?_______

Give an example of a similar graph_______________________________________

__________________________________________________________________

What kind of mathematical function does your graph suggest?__________________

(linear, quadratic, cubic, exponential, logarithmic, trigonometric...)

Your next task is to see if you can ‘fit’ a mathematical equation to your graph

Step 13 Press STAT

Step 14 Arrow right to CALC

Step 15 Arrow all the way down past 7

and on down to C:SinReg

Step 16 Press ENTER