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Key Stage 3 Statistics
Tables and Charts
Interpret and construct tables, bar charts, pie charts, pictograms and line graphs.
Key idea
Look at the data type, choose an appropriate summary or diagram, then interpret the result in context.
What you will learn
Use frequency tables confidently.
Use bar charts confidently.
Use pie charts confidently.
Use line graphs confidently.
Success checklist
✓I can explain what tables and charts 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.