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The document provides answers and explanations for a mathematics test covering topics such as statistics, data representation, and problem solving. The test had 7 questions testing concepts like mean, median, mode, range, interpreting data in tables and graphs, and analyzing word problems. Scoring information is included at the end to tally the total marks for the test.

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Nixon Graham
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5K views2 pages

Fcacyrscr S

The document provides answers and explanations for a mathematics test covering topics such as statistics, data representation, and problem solving. The test had 7 questions testing concepts like mean, median, mode, range, interpreting data in tables and graphs, and analyzing word problems. Scoring information is included at the end to tally the total marks for the test.

Uploaded by

Nixon Graham
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 16 TEST ANSWERS

Stage 8 End of Unit 16 Test


The tests and mark schemes have been written by the authors. These may not fully reflect the
approach of Cambridge Assessment International Education.

Answers
1 a 23 b 5 c 4 + 16 + 23 + 12 + 9 = 64 [4]

2 a

b 21
c Frank is incorrect. There are four people in the group 1.8 m < s ≤ 2 m, but you
cannot tell how tall they actually are. [6]

3 a

b 1990–1994
c $16 000
d Overall, the profit of the company is increasing. [7]
4 a

b 10
c i 53 kg ii 51 kg iii 25 kg [9]

Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 1
CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 16 TEST ANSWERS

5 a 30

b 100

c Sue is incorrect. More women than men liked soya milk.


66 60
men: × 240 = 44 , women: × 300 = 50 50 > 44
360 360
d The ‘Rice milk’ sector for men and women is the same size, so the same fraction
of both were asked. As more women than men were asked, the number of women
choosing rice milk must be bigger than the number of men choosing rice milk. [9]

6 a

b Clearly shows two sets of data points.

c Learner’s comment, e.g. There seems to be no relationship between a learner’s


music test result and science test result. [6]

7 a Learner’s answers, e.g. The men, as they had a higher mode and median.

Or

The women, as they had a higher mean.

b The men had more consistent scores because their range was lower. [2]

[TOTAL: 43 Marks]

Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 2

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