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Feb/Mar 2017 p62 q4
2509
The weights in kilograms of packets of cereal were noted correct to 4 significant figures. The following stem-and-leaf diagram shows the data.
The weights in kilograms of packets of cereal were noted correct to 4 significant figures.
| 747 | 3 | (1) |
| 748 | 1 2 5 7 7 9 | (6) |
| 749 | 0 2 2 2 3 5 5 5 6 7 8 9 | (12) |
| 750 | 1 1 2 2 2 3 4 4 5 6 7 7 8 8 9 | (15) |
| 751 | 0 0 2 3 3 4 4 5 5 7 7 9 | (13) |
| 752 | 0 0 0 1 1 2 3 4 4 4 | (11) |
| 753 | 2 | (1) |
Key: 748 | 5 represents 0.7485 kg.
- On the grid, draw a box-and-whisker plot to represent the data.
- Name a distribution that might be a suitable model for the weights of this type of cereal packet. Justify your answer.
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