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 practice length, write down your working, then reveal answers only when you are ready to check. Hints give a starting point without giving away the answer.
Practice set
Current set: Mixed. Show your method for each question before checking answers.
1. Use the pictogram. How many pupils are shown altogether?
After-school clubs
Key: 1 picture = 2
2. A scattergraph comparing age of car and value slopes down from left to right. What type of correlation is shown?
Age of car and value
3. 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
Read each bar against the labelled scale.
4. 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 each point against the labelled vertical scale.
5. Use the line graph. What was the increase from January to April?
Charity total
Read each point against the labelled vertical scale.
6. A pie chart has a sector showing of the data. What angle should the sector be?
Sector
of the pie chart
7. A pie chart shows 20% of 80 pupils chose science as their favourite subject. How many pupils is this?
Favourite subject
20% science
8. Find the range of 23, 29, 13, 32, 25.
9. Set A has mean 18 and range 7. Set B has mean 20 and range 12. Which set has the higher typical value when using the mean?
10. In the stem-and-leaf diagram, what value is represented by stem 2 and leaf 4?
Stem-and-leaf diagram (key: 1 | 2 means 12)
Stem Leaves 1 2 5 8 2 1 4 7 3 0 3
Practice answers
Check your work when you are ready.