The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.


Bay Side School Seaside School
8, 6, 5 0 5, 8
8, 6, 5, 4, 2, 0 1 0, 1, 2, 5, 6, 8
5, 3, 2, 0, 0 2 5, 5, 7, 7, 8
3 0, 6
2 4
Key: 2 |1 | 0 means 12 for Bay Side and 10 for Seaside


Part A: Calculate the measures of center. Show all work.

Part B: Calculate the measures of variability. Show all work.

Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning.