Question 18 Work out the length of PR 3 marks) Question 19 Age ( Y years) Cumulative Frequency 20 < Y 30 25 ≤ 20 < Y 40 61 ≤ 20 < Y 50 81 ≤ 20 < Y 60 95 ≤ 20 < Y 70 100 ≤ (1)
Question 18 Work out the length of PR 3 marks) Question 19 Age ( Y years) Cumulative Frequency 20 < Y ≤ 30 25 20 < Y ≤ 40 61 20 < Y ≤ 50 81 20 < Y ≤ 60 95 20 < Y ≤ 70 100 (1)
Edexcel-H-May-2016-P2-WS.docx