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Example 2.2 from Statistics, 2.1 Stem-and-Leaf Graphs (Stemplots), Line Graphs, and Bar Graphs
Do the data seem to have any concentration of values?
The leaves are to the right of the decimal.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
The value 12.3 may be an outlier. Values appear to concentrate at 3 and 4 kilometers.
| Stem | Leaf |
|---|---|
| 1 | 1 5 |
| 2 | 3 5 7 |
| 3 | 2 3 3 5 8 |
| 4 | 0 2 5 5 7 8 |
| 5 | 5 6 |
| 6 | 5 7 |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | 3 |
How did it go?