b) A company retains detailed records on a new salesperson, assuming that sales will rise as the salesperson gains experience. A random sample of ten new salesperson produced the data on experience and sales shown in the following table. Months on Job 248 12 1 5 936 11 Monthly Sales (RM'000) 2.3 7.1 11.3 15.0 0.8 3.7 12.2 3.2 4.5 13.4 =501 = 781.61 2x=61 xy = 616.5 = 73.5 n = 10 State the independent and dependent variables for the above data. (2 marks) ii) Calculate the Pearson Moment Correlation Coefficient. Comment on the value obtain. (4 marks) iii) Find the regression line that best fit the data. (4 marks) iv) Calculate the coefficient of determination and interpret its meaning (2 marks) v) Predict the monthly sales (RM'000) if the experience of salesperson is half year. (3 marks)