CAIE IGCSE Mathematics Core Classifying Statistical Data

Practise organising observations into tally, frequency and two-way tables, then using totals, percentages or category relationships to complete missing cells.

Exam points

tally each observation into the correct category and record the resulting frequency accurately
complete two-way table cells by reconciling row totals, column totals and the grand total
convert a stated fraction or percentage of the total into the required category count

Covered syllabus points

C9.1.1 Classify and tabulate statistical data

[Maximum number: 2]

Miguel works in an office.

Figure for Question C9.1 Classifying statistical data 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.

Complete the frequency table.
You may use the tally column to help you.

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Covered syllabus points

C9.1 Classifying statistical data question 1