52
G
ETTING
S
TARTED WITH THE
CBL 2™ S
YSTSEM
© 2000, 2003 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Analysis
1.
On the Main Screen, press
Â
GRAPH.
You can view three graphs (one at a time) by using
}
or
†
to move the cursor to the graph you want and then
pressing
Í
.
When you finish viewing the graphs, press
Í
to quit
the graph.
2.
Use the graphs to answer question 1 on the Student Data Reporting Sheet.
3.
Press
À
MAIN SCREEN to continue.
4.
On the Main Screen, press
¶
ANALYZE.
5.
Press
Á
CURVE FIT to find the line of best fit for the
graph CH2 VS. CH1 (TEMP F VS. TEMP C).
6.
Press
¸
LINEAR (CH2 VS CH1) to calculate a linear model of this physical
relationship. A screen with the linear regression equations appears.
Answer question 2 on the Student Data Reporting Sheet.
7.
Press
Í
to see the scatterplot and the graph of the linear regression. Use
|
and
~
to record data points from the linear regression graph.
Complete question 3 on the Student Data Reporting Sheet.
8.
Press
Í
to return to the Analyze screen, then press
À
to go to the Main Screen. Press
¸
QUIT.
The events (numbers associated with the order of your
data points) you saved are in L1, Celsius temperatures are
in L2, and Fahrenheit temperatures are in L3 as shown in
the screen shot. You may want to use these for more
investigations.
Complete questions 4-7 on the Student Data Reporting Sheet.
