Cumulative Frequency (H)
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A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas.
Name:
Total Marks:
1. The times taken by customer service operators to answer 120 telephone calls are
illustrated in the cumulative frequency diagram shown below.
(a) Calculate an estimate for the percentage of telephone calls that were answered
within 50 seconds.
[2]
(b) The customer service team was given a target to answer 80% of the telephone calls
within 70 seconds.
Did the team meet their target?
Give a reason for your answer and state any assumption you have made when
calculating your answer.
You must show all your working.
[3]
Cumulative Frequency (H) - Version 2 January 2016
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