Texas Instruments -84 Plus, Manual Book

Page: 280 / 696

Chapter 12: Statistics 277
The regression line appears to fit the central portion of the scatter plot well. However, a
residual plot may provide more information about this fit.
14. Press
…
1
to select
1:Edit
. The stat list editor is
displayed.
Press
~
and
}
to move the cursor onto
L3
.
Press
y 6
. An unnamed column is displayed
in column 3;
L3
,
L4
,
L5
, and
L6
shift right one
column. The
Name=
prompt is displayed in the
entry line, and alpha-lock is on.
15. Press
y 9
to display the
LIST NAMES
menu.
If necessary, press
†
to move the cursor onto the
list name
RESID
.
16. Press
Í
to select
RESID
and paste it to the
stat list editor’s
Name=
prompt.
17. Press
Í
.
RESID
is stored in column 3 of the
stat list editor.
Press
†
repeatedly to examine the residuals.