36 Getting Started with TI InterActive!
TII_GettingStarted.doc Getting Started with TI InterActive! Karen Davis Revised: 6/15/04 2:00 PM Printed: 6/15/04 3:39 PM Page 36 of 63
1. In the Graph window, click the Zoom Statistics button
. The
viewing boundaries are adjusted automatically to show all the
plotted data.
2. Click the Save To Document button
to close the Graph
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
on the
TI InterActive! toolbar. The Statistics Calculation tool is
displayed.
3. Click the down arrow
next to Calculation Type, scroll
down through the list, and click Quartic Regression.
Viewing the
plotted data
Calculating a
regression on the
data
After
calculating
a regression
equation, you
can graph it
by entering
this name in
the graph.