Students at the yulee middle school are selling boxes of popcorn to raise funds for the science laboratory. the tables below show the enrollment and sales numbers for the 7th and 8th grade classes. use these tables to answer the questions 1-4.

seventh grade class

teacher

number in class

boxes sold

todd

30

12

davis

32

25

green

35

32

gary

31

24

sanchez

32

1

eighth grade class

teacher

number in class

boxes sold

han

33

8

gibson

36

28

majia

35

40

ray

35

36

1) which grade has more students: the seventh or the eighth? how many more?

2) in which grade is the mean number of students per homeroom greater: the seventh or the eighth? how much greater?

3) find the mean, mode, and median of the number of boxes of popcorn sold in the seventh grade classes.

4) find the mean, mode, and median of the number of boxes of popcorn sold in the eighth grade classes