Practice
Statistics and Data practice
Practise statistics and data at your own pace. Choose a difficulty, try each question on paper or in your jotter, use hints only when you need a start, then show answers to check your work.
Build your confidence
Choose a difficulty and number of questions, write down your working, then reveal answers only when you are ready to check. Hints give a starting point without giving away the answer.
10 practice questions
Current set: Mixed. Show your method for each question before checking answers.
1. A line of best fit estimates pay as 5 × hours + 15. Estimate the pay for 3 hours.
Line of best fit
2. A scattergraph shows positive correlation between two variables. Explain why this does not prove one variable causes the other.
Revision hours and score
3. Use the temperature line graph. Between which two times did the temperature increase most, and what is the overall trend?
Temperature over a day
Read from left to right, then compare the values.
4. Use the pictogram. How many pupils are shown altogether?
After-school clubs
Football●●●Dance●●Swimming●●●Key: 1 picture = 2
5. Use the ticket table. How many tickets were sold altogether?
Tickets sold
Adult 25 Child 17 Senior 13 6. Use the cafe sales table. Find the difference between Tuesday and Monday lunch sales.
Lunches sold
Monday 42 Tuesday 50 Wednesday 32 7. A travel survey is shown in the bar chart. Identify the most common method, compare it with walking, and find the range.
Travel to school
Bus19Walk15Car12Cycle4Each bar is labelled with its value.
8. Use the line graph. What was the increase from January to April?
Charity total
Read from left to right, then compare the values.
9. A pie chart shows 30% of 200 survey responses were for bus travel. How many responses is this?
Travel survey
30% bus
10. Find the mean of 14, 6, 14, 9.
Practice answers
Check your work when you are ready.