Principal Coleman used random samples from student records to determine how many people live in each student’s household.
7th-Grade Total Household
5, 4, 4, 4, 4, 7, 3, 4, 2, 3,
4, 4, 2, 4, 3, 8, 7, 5, 4, 5
8th-Grade Total Household
7, 5, 5, 5, 3, 4, 5, 3, 2, 8,
6, 5, 6, 3, 3, 4, 4, 5, 3, 4
What is the mean total household of the 7th-grade sample to the nearest tenth?
What is the mean total household of the 8th-grade sample to the nearest tenth?