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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
25
7.
Now calculate how many points you would
expect a player to score if she plays 35 minutes a
game.
8.
Discuss the correlation as a class. Ask students:
•
Are there other factors affecting the players’
minutes per game besides points scored?
•
What about defense, rebounding, etc.?
1. Press
u
.
n
Ï
Sx
Î
x
Ð
12.00
2. Press
!
!
to
x
¢
.
x
¢
y
¢
3. Press
<
.
4. Type
35
E
and press
<
.
x
¢
(35)
17.92
Extension
Now have students use the calculator to investigate
the correlation of the other data in the chart such as
the relation of field goal percentage to minutes per
game, or rebounds per game to minutes per game.
(Remember, since you have already entered the
minutes in
Y
, you only need to enter the new data
in
X
.)
Ask students:
Which 2 variables have the closest correlations?
(That is, which have the correlation coefficient
closest to 1 or –1?)
WNBA Stats — 2-Variable Statistics
(Continued)
Summary of Contents for -30XIIS - Handheld Scienfic Calculator
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