Question

Use the display of data items to find the​ mean, median,​ mode, and midrange.
Stems
Leaves
2
2   1   9
6
5   3   3   8
8
5   0

Answer 1

First list the data (stem = tens, leaf = ones):
21, 22, 29, 63, 63, 65, 68, 80, 85

- Mean = (21+22+29+63+63+65+68+80+85)/9 = 496/9 ≈ 55.11
- Median = middle value (5th of 9) = 63
- Mode = 63 (occurs twice)
- Midrange = (min + max)/2 = (21 + 85)/2 = 53