The cumulative frequency graph shows information about the time, in seconds, taken by 80 athletes to complete a sprint.
a.[2]
Find the median time.
b.[2]
Find the interquartile range.
Cumulative Frequency Questions
Practise OCR GCSE Maths Cumulative Frequency with exam-style questions for Foundation and Higher tier. 24 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.