May/June 2026 Paper 31

2026 · 28 questions · 45 parts · 80 marks

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Q1
1
–/3 mks
Q2
2(a)2(b)
–/2 mks
Q3
3
–/1 mk
Q4
4
–/1 mk
Q5
5
–/3 mks
Q6
6
–/2 mks
Q7
7(a)7(b)7(c)
–/3 mks
Q8
8(a)8(b)
–/3 mks
Q9
9(a)(i)9(a)(ii)9(b)
–/3 mks
Q10
10(a)10(b)
–/4 mks
Q11
11(a)11(b)
–/3 mks
Q12
12
–/2 mks
Q13
13(a)13(b)
–/2 mks
Q14
14
–/1 mk
Q15
15(a)15(b)
–/5 mks
Q16
16(a)16(b)16(c)(i)16(c)(ii)
–/4 mks
Q17
17
–/4 mks
Q18
18(a)18(b)
–/3 mks
Q19
19
–/3 mks
Q20
20(a)20(b)
–/5 mks
Q21
21
–/2 mks
Q22
22
–/3 mks
Q23
23
–/2 mks
Q24
24
–/4 mks
Q25
25(a)(i)25(a)(ii)25(b)
–/6 mks
Q26
26
–/2 mks
Q27
27
–/2 mks
Q28
28
–/2 mks
Context for question 16
The scatter diagram shows the number of hot drinks sold by a café each day and the average temperature for that day.
Scatter diagram of the number of hot drinks against temperature (°C), with seven points falling from about (12, 48) to (36, 10).
16(a)Scatter Diagrams Lines Best FitEasy1 mark
These are the results for two more days.
temperature (C)1828
number of hot drinks sold4021
Plot this information on the scatter diagram.
Diagram to annotate
PenEraserUndoRedoClear
Draw with the mouse or a finger.
16(b)Scatter Diagrams Lines Best FitEasy1 mark
What type of correlation is shown in the scatter diagram?

Answer

16(c)(i)Scatter Diagrams Lines Best FitEasy1 mark
On the scatter diagram, draw a line of best fit.
Diagram to annotate
PenEraserUndoRedoClear
Draw with the mouse or a finger.
16(c)(ii)Scatter Diagrams Lines Best FitEasy1 mark
One day the average temperature was 24 C. Use your line of best fit to estimate the number of hot drinks sold.

Answer