What’s My Score? —
1-Variable Statistics
Name ___________________________
Date ___________________________
© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
16
Problems
1. You and your friend are having a contest. Whoever gets the highest average on
their math tests for one quarter wins. Your scores are 98, 89, 78, 98, and 100.
Your friend’s scores are 89, 89, 97, 90, and 100. Who is the winner?
Your average _______________________
Your friend’s average _______________________
2. Your friend took a test on the day you were absent and scored 95. What score
do you need to get so that you are the winner?
Your friend’s new average _______________________
The score you need _______________________
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