Paper 22 Q3(a)IGCSE 0580 May/June 2023

Question

On ten days, Stefan records the number of minutes he has to wait for a train. 1 3 12 5 4 23 5 24 11 8 Complete the stem-and-leaf diagram to show this information. 0 1 3 1 2 Key: 0 q1 represents 1 minute

This question tests your ability to organise data into a stem-and-leaf diagram, which is a useful way to display numerical data whilst keeping all the original values visible.

Step-by-Step Solution

Key Takeaway

In stem-and-leaf diagrams, always arrange the leaf values in ascending order for each stem row.

Common Mistakes

Writing leaves in the order they appear in the original data instead of arranging them in ascending order
Forgetting to include repeated values (like the two 5s) thinking they only need to be written once

Exam Tip

Double-check you've included all ten data values by counting your leaves - there should be exactly ten leaf digits in total.

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