Data Handling & Probability
Data handling and probability are about collecting, organising, interpreting, and predicting information. These skills help us make sense of numbers in real life and in 11+ exam questions.
📊 Data handling involves gathering information and presenting it clearly using tables, charts, or graphs.
- Tables – organise data in rows and columns.
- Bar charts – compare quantities visually.
- Pie charts – show parts of a whole.
- Line graphs – show trends over time.
📈 Interpreting data means reading charts and tables to answer questions such as highest, lowest, total, or average.
Example: If a bar chart shows 8 red cars and 12 blue cars, the total number of cars is 20.
🎲 Probability measures how likely an event is to happen. It is a number between 0 and 1, often written as a fraction, decimal, or percentage.
- 0 – an impossible event.
- 1 – a certain event.
- Example: The probability of rolling a 3 on a six-sided die is 1/6.
Tip: Always check the total number of outcomes when calculating probability, and simplify your fractions if possible.
✅ Mastering data handling and probability helps you analyse information, make predictions, and solve practical problems confidently — key skills for 11+ exams.
Practice Papers
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