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Texas Instruments TI-84 User Manual

Page 280

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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.