4. Based on the following data lJElW H t": 1] I4 It) II 9 T E 3 U 5 '3 5 I2 '3' E 4 I? '8 12 T 3 3 T." It! H {1 'J 'J II If: 2 T 4 S 4 4 5 5 'J 'J IE! 6 T T I] 5 4 5 l4 2 9 U f: I I II II 4 a. Construct a frequency distribution grouped data for these data. b. Develop a relative frequency distribution using the classes you constructed in part {a}. c. Develop a cumulative frequency distribution and a cumulative relative frequency distribution using the classes you constructed in part {a}. d. Develop a histogram based on the frequency distribution you constructed in part {a}. [El] Marks}