(a) Determine whether each of the following variables is quantitative or qualitative. If it is quantitative, further classify it as continuous or discrete. If it is qualitative, further classify it as ordinal or nominal (i) The time taken by students to travel from home to INTI International College Penang. (2 marks) (ii) The number of Malaysians who have taken covid-19 booster shot. (2 marks) (iii) The brand of mobile phones used by students. (2 marks) (b) Given the following sample data: 3. 4. 4. 5. 7. 8. 9, 38. Find the mean. median and standard deviation. (5 marks) (1) Which one is a more suitable measure of central tendency for the above data? Justify (1 mark)