Texas Instruments TITANIUM TI-89 - Manual (Page 124)

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15. Display the Y= Editor . For y1(x) , the
MedMed regression equation, set the
display style to
Dot .
Note: Depending on the previous contents
of your Y= Editor , you may need to move
the cursor to y1 .
PLOTS 1 at the top of the screen means
that Plot 1 is selected.
Notice that y1(x) and y2(x) were selected
when the regression equations were
stored.
Press 8 # 2 ˆ 2
16. Scroll up to highlight Plot 1 .
The displayed shorthand definition is the
same as on the Plot Setup screen.
Press C
17. Use ZoomData to graph Plot 1 and the
regression equations y1(x) and y2(x) .
ZoomData examines the data for all
selected stat plots and adjusts the viewing
window to include all points.
Press „ 9
Steps and keystrokes Display