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QUESTION 1 (20 marks) For the course ECIE4349, Table 1 shows the score of mid semester and final exam grades obtained for those students that took the subject in Seml 2019/2020 Table Q1 2 Midterm eram 72 50 81 74 94 86 59 83 65 33 88 81 y Final exam 84 63 77 78 90 75 49 79 77 52 74 90 a Plot the data (3 marks) b. Do x and y seem to have a linear relationship? (2 marks) c. Use the method of least squares to find an equation for the prediction of a student's final exam grade based on the student's midterm grade in the course (12 marks) d. Predict the final exam grade of a student who received an 86 on the midterm exam. (3 marks) 090