CAIE IGCSE Mathematics Statistical Charts and Diagrams

Practise constructing and reading bar charts, pie charts, pictograms, stem-and-leaf diagrams and frequency displays with accurate scales, angles and keys.

Exam points

convert a category frequency into a pie-chart angle using frequency ÷ total × 360°
complete bars or pictogram symbols from the stated scale, key and category frequencies
place stem-and-leaf entries in ascending order and provide a key that fixes their place value

Covered syllabus points

C9.4.1 Draw and interpret: (a) bar charts (b) pie charts (c) pictograms (d)

[Maximum number: 3]

Miguel works in an office.

Figure for Question C9.4 Statistical charts and diagrams question 1 — CAIE IGCSE Mathematics Core

Miguel records the length of time of each telephone call he receives, correct to the nearest minute.
The recorded times are shown in the table.

Draw a bar chart to show this information.

Complete the scale on the frequency axis.

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Covered syllabus points

C9.4 Statistical charts and diagrams question 1