AY 2023-2024
Name: _________________________ Year: 8 Section: ____ Date: ________________
Revision Worksheet-6
Unit 6: Collecting Data
1 Data is collected about new-born babies in hospital. Give an example of
a categorical data [1]
b continuous data [1]
c discrete data. [1]
2 You want to choose a sample of 20 learners from your school year.
a Describe three different ways to do this.
[3]
b Which of your three methods do you think is the best?
Give one advantage and one disadvantage of your method.
Advantage [1]
Disadvantage [1]
3 There are 20 girls and 30 boys in a sports club.
You want to interview a representative sample of 10 people.
Describe how you will choose your sample.
[2]
AY 2023-2024
Name: _________________________ Year: 8 Section: ____ Date: ________________
Revision Worksheet-6
Unit 6: Collecting Data
4 A tally chart is a common method of collecting data. Describe how you could use a tally
chart to record
a the number of sisters people have
[1]
b how long people can hold their breath.
[1]
5 You want to compare two novels, A and B.
You want to test these two conjectures.
• The words in A are longer than the words in B.
• The sentences in A are longer than the sentences in B.
a Describe how you can collect data to test the first conjecture. Describe how you
will take a sample from each book. Describe how you will record the data.
[3]
b Can you collect data to test the second conjecture in the same way? Are there
any differences?
[1]
AY 2023-2024
Name: _________________________ Year: 8 Section: ____ Date: ________________
Revision Worksheet-6
Unit 6: Collecting Data
6 You want to find out how learners in your school use social media. You have chosen a
sample.
a Describe two methods you could use to collect data.
[1]
b Describe one advantage and one disadvantage of each method.
[2]
c Which method would you choose? Give a reason for your choice.
[1]
[TOTAL: 20 Marks]
END OF TEST
