4. The following table shows the marks obtained in the test during the first term, x and the marks obtained in the test

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4 The Following Table Shows The Marks Obtained In The Test During The First Term X And The Marks Obtained In The Test 1 (43.93 KiB) Viewed 10 times

4. The following table shows the marks obtained in the test during the first term, x and the marks obtained in the test in the following term, y by a group of ten students: Student Term 1 Test (x) Term 2 Test (y) A 53 66 B 48 56 56 63 57 44 66 57 79 76 81 84 84 84 55 70 C D E FGH 1 J 52 64 (a) Determine the equation of the regression line, y = a + bx in 2 decimal places (10 marks) (b) Interpret the value of a and b on the given context. (2 marks) (c) A student was unable to sit for the Term 2 test due to poor health condition. Estimate the marks he would have obtained if his Term 1 test mark is 65. (2 marks)