CAIE IGCSE Mathematics C9.1.1 Classify & tabulate statistical data

Practise classifying data into tally, frequency and two-way tables, checking category counts against row, column and grand totals.

Exam points

convert raw category lists into tally marks and frequencies in the correct table rows
complete two-way tables by using row totals, column totals and percentage information
read a tally display to calculate the total count for a category or time period

[Maximum number: 2]

Miguel works in an office.

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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