Texas Instruments TI-30X Teachers Guide - Page 20
What's My Score?, Variable Statistics
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What's My Score? - Name 1-Variable Statistics Date 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 Your new score © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 16
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
16
What’s My Score? —
1-Variable Statistics
Name
___________________________
Date
___________________________
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
_______________________
Your new score
_______________________