CAIE IGCSE Mathematics Core 9 Statistics Topic Practice

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Covered syllabus points

C9.1 Classifying statistical dataC9.2 Interpreting statistical dataC9.3 Averages and rangeC9.4 Statistical charts and diagramsC9.5 Scatter diagrams

Question 1

[Maximum number: 2]
Table for Question 1 — CAIE IGCSE Mathematics Core

Bobby records the number of days a shop is open during 30 days.
Complete the table.

Question 2

[Maximum number: 3]

Question (a)

(a)

The bar chart shows the number of goals scored by a team in each of 5 months.

Figure for Question (a) — CAIE IGCSE Mathematics Core
[ 2 ]

Question (i)

(i)

In February, 12 goals are scored.

Complete the bar chart.

[ 1 ]

Question (ii)

(ii)

How many more goals were scored in January than in October?

[ 1 ]

Question (b)

(b)

Find the range of the number of goals scored.

[ 1 ]

Question 3

[Maximum number: 3]

The stem-and-leaf diagram shows the scores of each of 27 students in a test.

Table for Question 3 — CAIE IGCSE Mathematics Core

Key: 2|8 represents a score of 28

Question (a)

(a)

Find the range of the scores.

[ 1 ]

Question (b)

(b)

When the score for another student is included in the diagram the new range is 38.
Find the two possible scores for this student.

[ 2 ]

Question 4

[Maximum number: 2]

The pictogram shows the number of text messages sent by five students in one day.

Table for Question 4 — CAIE IGCSE Mathematics Core

Key: represents text messages

Question (a)

(a)

Kira sent 15 text messages.

Complete the key.

[ 1 ]

Question (b)

(b)

Find the number of text messages sent by Hana.

[ 1 ]
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