Question 3 — IGCSE 0580 May/June 2023 Paper 31
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Numbers · The four rules. Worth 8 marks.
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Question text
3 These are the test scores of 16 students.
15 26 9 45 36 20 41 39
40 23 32 18 41 34 37 31
(a) Complete the stem-and-leaf diagram.
0
1
2
3
4
Key: 1 5 represents 15
[2]
(b) Find the mode.
................................................. [1]
(c) Find the median.
................................................. [1]
(d) Find the range.
................................................. [1]
© UCLES 2023 0580/31/M/J/23
7
(e) Complete the bar chart for the test scores of the 16 students.
7
6
5
4
Number of
students
3
2
1
0
0 to 9 10 to 19 20 to 29 30 to 39 40 to 49
Test score
[2]
(f) Work out the percentage of students with a test score of 40 or more.
............................................. % [1]
© UCLES 2023 0580/31/M/J/23 [Turn over
8
2
Mark scheme
