Operation Manual

12-2 Statistics
8212STAT.DOC TI-82, Chapter, English Bob Fedorisko Revised: 02/09/01 9:23 AM Printed: 02/09/01
12:42 PM Page 2 of 22
Getting Started: Building Height and City Size
Getting Started is a fast-paced introduction. Read the chapter for details.
Determine a linear equation to fit the data below. Enter and plot the data and
determine the best line, then predict how many buildings of more than 12 stories
you would expect to find in a city of 300,000 people. Begin by entering the data in
the STAT list editor and sorting it.
Population Buildings>12 stories
150,000 4
500,000 31
800,000 42
250,000 9
500,000 20
750,000 55
950,000 73
1. To clear any existing lists, press
4
(to copy
ClrList
to the Home screen) and then press
y
ã
L
1
ä
¢
y
ã
L
2
ä
¢
y
ã
L
3
ä
¢
y
ã
L
4
ä
¢
y
ã
L
5
ä
¢
y
ã
L
6
ä
Í
.
2. Press
to display the
STAT EDIT
menu.
3. Press
1
(to select
Edit...
). The
STAT
list editor is
displayed.
Press
150000
. As you type, the value is displayed
on the bottom line.
4. Press
Í
. The value is shown in the first
element of
L
1
and the cursor moves to the
second element in the same list.
Press
500000
Í
800000
Í
250000
Í
500000
Í
750000
Í
950000
Í
to
enter the remaining elements of
L
1
.