cie october november 2013 maths paper 6
| | 16-18 | 18 | Question: Calculate the mean age of the students. Solution Outline: Assume the midpoints of age ranges: 11, 14, 17 Calculate total age sum: (12ร11) + (20ร14) + (18ร17) Divide by total students (50) to find mean age. Preparation Ti