Question 6 — IGCSE 0580 Oct/Nov 2023 Paper 21
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Statistics · Scatter diagrams. Worth 3 marks.
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Question text
6 For each of 10 people working in an office, the scatter diagram shows their salary and the value of their
car.
10 000
9000
8000
7000
6000
Value of 5000
car ($)
4000
3000
2000
1000
0
0 10 000 20 000 30 000 40 000 50 000 60 000 70 000 80 000
Salary ($)
(a) One of these people has a salary of $28 000.
Find the value of their car.
$ ................................................. [1]
(b) Another person starts to work in the office.
Their salary is $54 000 and the value of their car is $6100.
Plot this information on the scatter diagram. [1]
(c) What type of correlation is shown in the scatter diagram?
................................................. [1]
© UCLES 2023 0580/21/O/N/23
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