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9-2 Statistics
Getting Started is a fast-paced introduction. Read the chapter for details.
Determine a linear equation to fit the data below. Enter the data, and perform a
linear regression. Then plot the data. Predict how many buildings of more than
12 stories you would expect to find in a city of 300 thousand people.
Population in Thousands Buildings > 12 Stories
150 4
500 31
800 42
250 9
550 20
750 55
1. To clear any existing lists, press
A
4
to copy
CLRLIST
to the Home screen.
2. Press
2
¢
b
2
£
b
2
¤
b
2
t
¸
.
The message
DONE
is displayed.
3. Press
A
1
to display the
STAT
list editor. Enter
150
to represent 150,000 for the population of the
first city. As you type, the value is displayed on the
bottom line.
4. Press
¸
. The value is shown in the first element
of
L1
, and the cursor moves to the second element in
the same list.
Getting Started: Building Height and City Size