Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 187

11. Fill in each argument in the stat wizard displayed.
Press y d (for
Xlist:),
Press † † (to
Store ReqEQ:)
t a Í to paste
).
Calculate
12. Press Í to execute
regression for the data in
Values for and
a b
result screen. The linear regression equation is
stored in . Residuals are calculated and stored
Y1
automatically in the list name
becomes an item on the
:
Note
- You can control the number of decimal places
displayed by changing the decimal mode setting.
- The statistics reported are not stored in the history on
the home screen.
 ~ ~ ~
5
- Press
variables.
'
- Press to return to the home screen.
13. The stat wizard pastes the populated command in
the home screen history for repeated use, if
needed (press ' } } to view the home
screen history as show in the screen).
14. Press s. The regression line and the scatter
plot are displayed.
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.
15. Press ...
to select
1
displayed.
Press ~ and } to move the cursor onto
Press y 6. An unnamed column is displayed
in column 3; ,
L3 L4
column. The
Name=
entry line, and alpha-lock is on.
and † y e (for
and then press
. Press † (to select
Y1
. The linear
LinReg(ax+b)
and is calculated.
L1 L2
are displayed in a temporary
, which
RESID
menu.
LIST NAMES
to access the statistical
. The stat list editor is
1:Edit
, , and shift right one
L5 L6
prompt is displayed in the
),
Ylist:
.
L3
Chapter 12: Statistics 180