Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 186

Ë Í to store the first pendulum
4. Press
6 5
string length (6.5 cm) in
moves to the next row. Repeat this step to enter
each of the 12 string length values in the table.
5. Press ~ to move the rectangular cursor to the first
row in .
L2
Press Ë Í to store the first time
51
measurement (.51 sec) in
cursor moves to the next row. Repeat this step to
enter each of the 12 time values in the table.
6. Press o to display the Y= editor.
If necessary, press ' to clear the function
As necessary, press }, Í, and ~ to turn off
, , and
Plot1 Plot2 Plot3
Y= editor (Chapter 3). As necessary, press †, |,
and Í to deselect functions.
7. Press y ,
menu. The stat plot editor is
STAT PLOTS
displayed for plot 1.
8. Press Í to select
Press † Í to select " (scatter plot). Press
† y d to specify
† y e to specify
† ~ Í to select
point on the scatter plot.
9. Press q
to select
9
menu. The window variables are adjusted
automatically, and plot 1 is displayed. This is a
scatter plot of the time-versus-length data.
Since the scatter plot of time-versus-length data appears to be approximately linear, fit a line to the
data.
10. Press ... ~
to select
4
regression model) from the
. The rectangular cursor
L1
. The rectangular
L2
from the top line of the
to select from the
1 1:Plot1
, which turns on plot 1.
On
for plot 1. Press
Xlist:L1
for plot 1. Press
Ylist:L2
as the for each data
+ Mark
from the
9:ZoomStat
(linear
4:LinReg(ax+b)
menu.
STAT CALC
.
Y1
ZOOM
Chapter 12: Statistics 179