Ms. Zhu wants to analyze the performance of her seventh-grade clas hinks that students
perform better in the morning than in the afternoon. The box plots below show the scores of Ms. Zhu's
first-period, second-period, and sixth-period classes for one quiz.
Quiz Scores
First Period
Second Period
Sixth Period
50
60
70
80
90
100
Percents
a) What similarities do First Period and Sixth Period share?
b) Which class performed the best? Use information from the box plots above to support
bn ha
your answer.
Period
because...