Texas Instruments TI InterActive! Getting Started Manual page 36

Viewing the
plotted data
Calculating a
regression on the
data
36 Getting Started with TI InterActive!
1. In the Graph window, click the Zoom Statistics button
viewing boundaries are adjusted automatically to show all the
plotted data.
2. Click the Save To Document button
window and insert the graph in the document.
TI InterActive! lets you calculate several types of regressions on data
stored in lists. In this exercise, you calculate a quartic regression on
the plotted pairs of airspeeds (L1) and sink rates (L2).
1. Position the cursor between the list and the graph and press
Enter on the computer keyboard.
2. Click the Stat Calculation Tool button
TI InterActive! toolbar. The Statistics Calculation tool is
displayed.
3. Click the down arrow
down through the list, and click Quartic Regression.
to close the Graph
on the
next to Calculation Type, scroll
. The
After
calculating
a regression
equation, you
can graph it
by entering
this name in
the graph.