(a) Determine the dependent and independent variable. (2 marks) (b) Construct scatter plots between the dependent and the independent variable and briefly comment on the relationship between the two variables. (13 marks) (c) Compute the coefficient of correlation and coefficient of determination and interpret these values. (10 marks) (d) Determine the regression equation. (5 marks) (e) Predict the number of customers for the week when the weekly sales is RM62500. At the same time, predict the weekly sales if the number of customers for the week is 1350? Are your predictions reliable? (10 marks)