The weights, in pounds, of packages on a delivery truck are shown in the stem-and-leaf plot. Find the mean, the median, and the mode of the data, if possible. If any measure cannot be found or does not represent the center of the data, explain why.
0
3 5
1
0 3 6 8
2
0 1 4 4 5 5 5
3
1 2 5 6 7 8 8 8 9
4
2 3 4 5 8
5
4
Key: 3
0=30