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GCSE Statistics
Stem and Leaf
Learn stem and leaf as part of collect, represent, summarise and compare data using charts, averages, spread and statistical diagrams.
Key idea
Look at the data type, choose an appropriate summary or diagram, then interpret the result in context.
What you will learn
Use stem and leaf meaning confidently.
Use stem and leaf representations confidently.
Use stem and leaf methods confidently.
Use stem and leaf applications confidently.
Success checklist
✓I can explain what stem and leaf means.
✓I can choose a suitable method without being told.
✓I can show clear working and check my answer.
Worked example
Find the mean of 4, 7, 9 and 10.
Step 1
Add the values: 4 + 7 + 9 + 10 = 30.
Step 2
There are 4 values.
Step 3
30 ÷ 4 = 7.5.
Answer
7.5
Quick practice
Question 1
Find the median of 3, 8, 4, 10, 5.
Question 2
Find the range of 11, 18, 23, 24.
Question 3
Describe positive correlation in a scatter graph.
Related resources
These are linked to the wider Statistics topic for now.