Wnba Stats - 2-Variable Statistics - Texas Instruments TI-30X IIS User Manual

WNBA Stats — 2-Variable Statistics
Overview
Students use WNBA statistics to explore the
relationship between 2 variables. They use the
TI-30X ÙS to compute the regression equation and
evaluate some values.
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 a
player gets? Or is it related to the player's field goal
percentage?
Procedure
1. Put the calculator in
statistics.
2-VAR
2. Using the table in the activity (page 26), enter the
data. Enter points per game as the
minutes per game (playing time) as the
-variable.
Y
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© 1999 T I I
EXAS NSTRUMENTS
mode and choose
STAT
NCORPORATED
Math Concepts
-variable and
X
TI-30X ÙS: A Guide for Teachers
Materials
• TI-30X ÙS
2-variable
• pencils
statistics
• student activity
 1. Press % t and then
".
1-VAR 2-VAR
2. Press < to select
- .
2 VAR
 1. Press v.
X1=
2. Enter 10.1 (points per
game for the first player,
Rhonda Mapp).
X1=10.1
3. Press $.
Y1=1
4. Enter 21.7 (minutes per
game for Rhonda Mapp).
Y1=21.7
5. Press $ and enter data
for the second player.
6. Enter data for each player
in the table. Press $ after
entering each data point.
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