Question 11 — IGCSE 0580 Oct/Nov 2025 Paper 12
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Numbers · The four rules. Worth 6 marks.
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Question text
11 The stem-and-leaf diagram shows the number of customers entering a shop each day for 20 days.
3 0 1 5 9
4 1 4 6 8 9
5 1 3 4 4 4 7 8
6 3 6 6
7 2
Key : 3 0 represents 30 customers
(a) Find the range.
................................................. [1]
(b) Find the mode.
................................................. [1]
(c) Work out the percentage of these 20 days when more than 55 customers enter the shop.
..............................................% [2]
(d) (i) Find the median.
................................................. [1]
(ii) On the next day 48 customers enter the shop.
Will the median increase or decrease?
Give a reason for your answer.
.................... because .................................................................................................................
............................................................................................................................................. [1]
(cid:300)(cid:209)(cid:266)(cid:174)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:222)(cid:249)(cid:182)(cid:254)(cid:215)
© UCLES 2025 (cid:300)(cid:287)(cid:178)(cid:242)(cid:205)(cid:295)(cid:265)(cid:259)(cid:211)(cid:255)(cid:250)(cid:278)(cid:181)(cid:247)(cid:188)(cid:298)(cid:257)(cid:258) 0580/12/O/N/25
(cid:293)(cid:213)(cid:229)(cid:213)(cid:245)(cid:245)(cid:261)(cid:277)(cid:229)(cid:229)(cid:213)(cid:197)(cid:261)(cid:181)(cid:293)(cid:181)(cid:197)(cid:213)
AM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
* 0000800000007 *
7
(cid:44)(cid:1)(cid:1)(cid:1)(cid:1)(cid:9)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:8)(cid:44)
NIGRAM
DFD
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