ANSWER ALL THE QUESTIONS IN THIS WORKBOOK. Q# Question Mark Achieved Not Achieved 1.1. SECTION 1.0: ORGANISING AND ANALYSING DATA Six learners have the following ages (in years): 15; 25; 20; 18; 22; 20 i. Arrange the learners' ages in ascending order. 2 ii. Find: a) The mean age b) The mode age 2. c) The median age 2. d) The range 2