2. Data given below is the data of components produced in the side mirror department. 747 771 801 854 748 768 803 874 742 771 810 880 746 768 822 893 750 777 823 897 750 779 827 754 782 833 760 790 846 764 781 857 772 766 798 795 862 865 You need to: a. Decide the number of classes (you can use: 4, 5 or 6 class) (2 mark) b. Draw the class table (3 mark) C. Based on classes, calculate: i. Mean (3 mark) ii. Median (3 mark) iii. Standard Deviation (3 mark) iv. Variance (1 mark)