SECTION B (45 Marks) There are NINE (9) questions. Answer ALL questions. 1. The table below contains the data for time, in seconds, to answer 50 incoming calls to a financial services call centre. Answer the following questions.

17 15 14 18 5 14 15 6 16 19 15 22 6 19 9 17 11 5 21 18 17 14 12 28 8 16 11 10 5 21 11 14 25 10 10 13 15 27 19 18 14 23 30 15 7 14 1 1\fMinutes with Securit Number of Passen ers 0 -9 10 - 19 20 - 29 30 - 39Partici ant Weight before ro 81 95 71 85 88 102 86 75 76 91 ram in k Weight after ro 83 93 71 86 83 100 89 70 75 91 ram in k Partici ant Weight before program (in 85 78 102 66 95 kg) continued Weight after program (in kg) 109 63 continuedModel Summa R Adjusted Std. Error of the Model Square R S uare Estimate 0.885 0.784 0.730 16.299 a. Predictors: (Constant), Income b. Dependent Variable: Sales (RM) Coefficients Unstandardized Std. Error Model Coefficients p-value Constant 161.39 26.16 6.17 0.004 Income -48.19 12.65 -3.81 0.019 a. Predictors: (Constant), Income b. Dependent Variable: Sales(RM)