A professional body wishes to analyse the performance of its students on a particulartwo- part examination. It records the scores obtained by a sample of 12 students on thefirst part of the exam, and the scores obtained by the same students on the second partof the exam. The results are as follows: A 82 B 49 73 T D 60 E 61 F 77 G 65 H 85 I 91 K 59 L 73 53 Student First-part exam score x Second-part exam score 1 76 58 75 66 70 71 76 92 87 59 63 71 i. Calculate the fitted linear regression equation ofy on .x. [3 marks] ii. Comment on the relationship between the scores obtained in the two exams. [3 marks]