Question 2 — IGCSE 0580 May/June 2023 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Statistics · Averages (discrete data). Worth 8 marks.
Open in interactive question bank →
Question text
2 (a) Anna records the number of text messages she receives for 14 days.
17 15 31 38 31 22 13
18 21 27 28 21 31 29
(i) Complete the stem-and-leaf diagram.
1
2
3
Key: ...........................................................
[3]
(ii) Find the median.
................................................. [1]
(iii) Find the mode.
................................................. [1]
(iv) Find the range.
................................................. [1]
(b) In a shop, there are 4 red and 8 grey phones.
Anna and Pete each pick one of these phones at random.
Work out the probability that they both pick a grey phone.
................................................. [2]
© UCLES 2023 0580/43/M/J/23
5
Mark scheme
