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QUESTION 4 FF Computer Manufacturing Sdn Bhd wanted to investigate how the price of one of its computer models depreciates with age. The researcher in this manufacturing took a sample of 12 computers of this model and collects the information on the age (in years) and prices (in RM 00) of these computers. ears le=3as Zy156=1925 :x=63 2y: 7&7 22y: 320.2 11:12 a) State the independent and dependent variables. (2 marks) b) Calculate the Pearson's Product Moment correlation coefcient between the computer age and the price. Comment on the relationship between the two variables. (4 marks) c) Find the regression line that best ts the data. (5 marks) d) Interpret the meaning of the slope. (2 marks) 9) Predict the computer price (in RM) if the computer is seven-year old. (2 marks)