Give the answer and analysis, this is the topic of statistics.

Question 4 Round off your answer to 3 decimal places. A researcher wishes to determine if the annual maintenance cost of cars is related to the age of the cars. Data is collected as below. Age of cars ( years) Annual maintenance cost (RM '00) 2 16 4 15 6 18 7 19 8 17 10 21 12 20 (a) Develop the estimated regression equation in the form of y = mx + c. (8 marks) (b) Predict the annual maintenance cost if the age of the car is 5 years. (3 marks) (c) Find the coefficient of determination and comment on the result. (6 marks) (d) Find the correlation coefficient and comment on the strength of the relationship. (3 marks) (Total 20 marks)