QUESTION 2/SOALAN 2 Table 2 shows the time taken (in minutes) to complete car maintenance service in an automobile workshop. Table 2/Jadual 2 Time (in minutes)/ Frequency/ Masa (dalam minit) Kekerapan 45 -50 2 50 -55 55 - 60 9 60 - 65 19 65 - 70 15 70 - 75 13 75 - 80 8 80 - 85 6 85 - 90 a) Find the total number of cars in Table 2. (2) b) Based on the data in Table 2, develop the following graphs: (12) i. frequency polygon li. histogram ili. cumulative frequency polygon c) Comments on the shape of the distribution. (2) d) Calculate the following: (19) 1. mean ii. mode Hi. median iv. first quartile v. third quartile vi. Inter-quartile range [Total: 35 marks]