Texas Instruments TI-30XIIS Teachers Guide - Page 30
WNBA Stats - 2-Variable Statistics - calculators
UPC - 033317200849
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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-30X ÙS to compute the regression equation and evaluate some values. Math Concepts • 2-variable statistics Materials • TI-30X ÙS • pencils • student activity 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 STAT mode and choose 2-VAR statistics. 1. Press % t and then ". 1-VAR 2-VAR 2. Press < to select 2-VAR. 2. Using the table in the activity (page 26), enter the data. Enter points per game as the X-variable and minutes per game (playing time) as the Y-variable. 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. ` © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 23