Texas Instruments TI-73 Calculator User Manual


 
Probability and Statistics
Activity 12: Which Brand is Best?
73
© 1998 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
9. Now enter the surveyed information into the TI-73.
a. Enter the brand names in
L
2
. (In this example, we
use the brand names from the example table.)
3 " to
L
2
- t # #, and then
" until
"
b
$ $, and then ! until
A
b
# # # # to
Done
b b
(Because
"
is only needed for the first element of a
categorical list, you can enter the rest of the
elements from the Text editor without it.)
b. Before entering the frequency, go back to
mode
and highlight
Float
.
. # to
Float
b
c. Now enter the tally.
3 " to
L
3
and enter the frequency
d. Go to the Home screen.
- l
10. Make a pictogram on the TI-73.
a. Access the
STAT PLOTS
menu.
- e (above the & key)
b. Make sure the other plots are off.
Q b
c. Select
Plot 1
.
- e b
d. With the cursor blinking on the word
On
, select it.
b
e. Move to
Type
and select the pictogram (first row,
third from left Î).
# " " b
f. Move to
CategList
. If
L
2
is not already set, set it to
L
2
.
# - v Z