CAMBRIDGE LOWER SECONDARY MATHEMATICS 7: END-OF-UNIT 6 TEST
Name ___________________________________ Date _____________
Stage 7 End-of-unit 6 test
1 List three ways of collecting data to answer a statistical question.
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3 _________________________________________________________________________
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5 A researcher is collecting data about cars.
6 State whether the data in each case is discrete, continuous or
categorical.
The speed of a car.
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Name of manufacturer.
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The number of passengers.
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10
The fuel consumption, in litres/km.
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11 Here are two questions the owner of a gym wants to answer about the
frequency of visits to her gym.
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Cambridge Lower Secondary Mathematics 7 – Byrd, Byrd & Pearce © Cambridge University Press 2021
CAMBRIDGE LOWER SECONDARY MATHEMATICS 7: END-OF-UNIT 6 TEST
• Do men visit the gym more often than women?
• Do older people visit the gym more often than younger people?
You have been asked to plan a survey to answer these questions.
12
How could you choose a sample?
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13 _________________________________________________________________________
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14
What data do you need to collect from each gym member for the
survey? ___________
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16
How could you record the data?
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17 _________________________________________________________________________
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Cambridge Lower Secondary Mathematics 7 – Byrd, Byrd & Pearce © Cambridge University Press 2021
CAMBRIDGE LOWER SECONDARY MATHEMATICS 7: END-OF-UNIT 6 TEST
18 d
How could you display your results?
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19 _________________________________________________________________________
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20 Here is a question about the learners in a school.
Do boys spend more time doing homework than girls?
To answer this question, a sample of learners are asked how much time
they spent doing homework the previous evening.
Here are the results.
Time spent More
Less than
doing 1–2 hours 2–3 hours than
1 hour
homework 3 hours
Boys 6 5 9 5
Girls 8 16 11 5
21
What percentages of boys and girls spent more than 2 hours doing
homework? _____
22 _________________________________________________________________________
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23 b
Based on the data, what is the answer to the question?
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24 _________________________________________________________________________
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25 c
Comment on the sample size.
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26 _________________________________________________________________________
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Cambridge Lower Secondary Mathematics 7 – Byrd, Byrd & Pearce © Cambridge University Press 2021
CAMBRIDGE LOWER SECONDARY MATHEMATICS 7: END-OF-UNIT 6 TEST
27 Mia wants to take a sample of 20 learners from a school.
28 a
two possible ways of doing this. _________________________________________
29
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30
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31 b
Give one advantage and one disadvantage of increasing the sample size
from 20 to 50.
32
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33
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34
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END OF TEST
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Cambridge Lower Secondary Mathematics 7 – Byrd, Byrd & Pearce © Cambridge University Press 2021
