Question 2 Recently two hundred customers are asked to rate the customer service of a multinational company on a scale of 1 = Poor to 5 = Very Good. The results are summarised in the table below. 1 2 3 4 5 Rating x No. of Vendors: 24 40 50 40 46 a) Calculate the mean rating to 2 decimal places. [3 marks] b) Calculate the standard deviation to 2 decimal places. [6 marks) [9 marks] [Total 20 marks]