Steam and leaf plot is a method of presenting data in graphical format. In steam and leaf plot is every data value I divided into “stem” and “leaf”. Stem represents the first digit and leaf represents usually last digit.
Example: Here is the list of marks for a recent science quiz:
56, 78, 82, 82, 90, 94, 93, 67, 67, 69, 74, 77, 92, 88, 81, 83, 84, 77, 72
- To create a steam and leaf plot organise the above data in ascending order.
56, 67, 67, 69, 72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88, 90, 92, 93, 94
- Take stems as tens and leaves as ones.
Stems will be: 5, 6, 7, 8, 9.
- Add a key to the plot.
| Stem | Leaf |
|---|---|
| 5 | 6 |
| 6 | 7, 7, 9 |
| 7 | 2, 4, 7, 7, 8 |
| 8 | 1, 2, 2, 3, 4, 8 |
| 9 | 0, 2, 3, 4 |
Key: 5|6 = 56%
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