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70
Using the TI-73: A Guide for Teachers
Pr
obability and Statistics
© 1998 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Activity
Have students perform the steps unless otherwise
indicated.
1. On the activity sheets provided, have students use
their information to report the minimum and the
maximum prices of the product they selected, the
mode, the mean, the median, and the range of prices.
a. First, enter the prices into List 1
(
L
1
) on the TI-73,
and set the decimal to the hundredths place.
(1) Display the List editor.
3
(2) If necessary, clear
L
1
.
$ to highlight
L
1
: b
(3) Starting from the first line in
L
1
, enter each
price. (You’ll get an error if
L
1
is still
highlighted.) Press b after each price.
(4) Now set the decimal to the hundredths place.
. # " " " b
(5) Go to the Home screen.
- l
b. Now find the minimum price.
(1) Access the - v
MATH
menu and select
min
.
- v " "
b (pastes
min(
to the Home screen)
(2) Calculate the minimum price.
- v b (selects
L
1
)
E b
c. Follow the same procedure in step b for the
maximum (
2:max(
), mean (
3:mean(
), median
(
4:median(
), and mode (
5:mode(
).