Texas Instruments TI-34 II Teachers Guide - Page 29
WNBA Stats-2-Variable Statistics - explorer
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WNBA Stats-2-Variable Statistics Overview Students use WNBA Statistics to explore the relationship between 2 variables. They use the TI-34 Û to compute the regression equation and evaluate some values. Math Concepts • 2-variable statistics Materials • TI-34 Û • pencil • student activity (page 26) Activity Present the following problem to students: Do you think WNBA (Women's National Basketball Association) playing time (in minutes per game) is related to how many points a player scores? Do you think it is related to how many rebounds they get? Or is it related to their field-goal percentage? Procedure 1. Put the calculator in STAT mode. 1. Press % t and press " to select 2 -VAR. 1-VAR 2-VAR 2. Press
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-34
Û
: A Guide for Teachers
23
WNBA Stats—2-Variable Statistics
Overview
Students use WNBA Statistics to explore the
relationship between 2 variables. They use the TI
-
34
Û
to compute the regression equation and evaluate
some values.
Math Concepts
• 2-variable
statistics
Materials
• TI
-
34
Û
• pencil
• student activity
(page 26)
Activity
Present the following problem to students:
Do you think WNBA (Women’s National Basketball
Association)
playing time (in minutes per game)
is related to how many points a player scores? Do
you think it is related to how many rebounds they
get? Or is it related to their field-goal percentage?
Procedure
1.
Put the calculator in
STAT
mode.
2.
Enter the data for points per game and playing
time in minutes. Enter the points as the
X
-variable and playing time as the
Y
-variable.
±
1.
Press
%
t
and press
"
to select
2 -VAR
.
1-VAR
2-VAR
2.
Press
<
.
±
1.
Press
v
.
X1=
2.
Enter
10.1
(Rhonda
Mapp’s points).
X1=10.1
3.
Press
$
.
Y1=1
4.
Enter
21.7
(Rhonda
Mapp’s playing time).
Y1=21.7
5.
Press
$
to enter the data
for the second player.
6.
Continue to enter data for
each player in the chart.
Press
$
after entering
each number.