sider the below matrix A which you can copy and paste directly into Matlab The matrix contains 3 columns which represent the final grades in a course with 3 sections of equal size The first column is C01 the second is CO2 and the third is C03 A 100 100 29 87 17 91 20 07 66 17 63 35 86 56 89 68 68 06 100 55 75 37 91 30 26 65 93 23 78 71 66 100 84 07 14 71 40 11 15 48 72 34 36 31 76 22 25 79 34 89 50 68 49 43 41 61 94 9 57 32 100 94 77 99 28 100 100 100 73 73 72 96 13 65 100 57 09 100 70 67 100 34 73 95 3 100 80 76 40 03 100 54 01 99 22 100 17 66 54 74 100 87 95 100 100 97 04 71 29 65 18 96 6 63 67 47 44 15 97 40 72 44 35 69 96 74 26 35 75 56 27 52 19 100 97 4 100 83 5 100 100 16 47 55 12 100 29 83 84 45 88 65 100 95 99 25 95 20 59 55 22 100 84 73 65 02 61 85 81 62 97 56 67 76 15 57 100 94 75 100 12 76 45 91 53 71 77 95 55 19 17 63 24 22 100 17 75 100 31 28 44 98 84 65 100 62 21 58 91 25 41 75 68 68 66 96 35 19 34 38 39 61 32 93 48 49 13 100 68 45 50 5 100 78 03 94 63 42 24 58 93 56 3 100 55 04 57 7 80 43 78 85 36 79 100 70 40 46 100 89 96 50 08 85 42 86 9 93 31 56 56 15 3 29 98 73 58 32 78 17 91 40 37 36 94 53 71 94 95 17 45 41 17 63 07 55 34 97 53 79 5 75 01 72 87 100 70 19 94 63 31 31 25 68 54 15 81 26 71 31 28 4 55 48 43 09 77 56 90 36 87 84 42 45 82 67 80 5 12 07 99 13 42 51 45 100 63 14 37 59 100 59 81 71 2 66 44 98 35 60 8 67 17 38 45 100 89 78 24 44 100 75 56 100 34 91 76 39 60 16 74 52 100 44 58 82 16 72 05 27 16 78 08 100 15 59 100 74 01 22 73 93 94 100 100 100 59 26 100 43 27 91 8 72 94 28 45 85 48 38 7 99 78 34 82 62 42 21 43 97 53 35 41 58 85 68 32 100 100 81 15 71 68 51 7 38 23 31 76 67 92 100 41 2 35 82 100 100 22 44 27 51 15 53 51 31 21 41 99 47 52 49 28 36 78 7 16 48 100 20 73 100 41 62 65 92 49 36 100 100 76 3 100 100 91 09 41 76 45 04 100 63 61 66 81 71 48 86 51 51 05 19 24 88 14 16 51 20 61 94 52 100 88 95 69 56 55 81 22 83 100 49 92 25 78 67 5 90 65 100 68 51 100 60 39 62 57 99 37 75 81 100 83 08 38 63 60 5 51 12 53 65 73 41 39 37 44 13 98 65 79 24 82 17 60 13 67 2 59 74 100 100 83 19 92 65 32 72 53 16 78 18 96 56 27 92 91 08 99 5 54 22 85 44 100 27 56 98 48 100 56 71 88 02 54 67 44 25 21 81 100 44 83 31 57 89 71 100 39 09 42 05 95 15 100 25 58 74 44 100 82 92 59 2 100 95 1 82 56 37 68 83 46 89 23 80 64 25 95 97 39 25 29 21 82 77 21 95 52 67 39 69 82 65 78 35 08 93 38 48 87 100 70 36 79 35 85 72 100 75 8 77 31 97 77 56 13 41 28 45 05 74 100 94 57 85 57 85 17 51 89 70 24 89 76 18 53 21 07 41 5 15 39 41 77 96 59 100 88 95 73 60 78 100 100 88 2 66 62 42 28 19 94 100 100 66 19 48 18 41 3 32 54 100 16 64 49 45 79 18 33 59 61 03 88 45 77 73 63 07 100 100 38 68 49 92 18 52 50 98 34 33 75 83 91 89 3 19 51 76 9 47 24 20 11 100 80 75 19 45 50 18 100 61 46 65 03 84 52 54 03 74 84 89 36 43 62 76 18 100 55 81 60 68 100 100 60 06 77 33 86 73 42 24 25 74 100 33 22 68 44 100 99 88 91 91 81 77 31 15 82 76 100 48 08 100 68 54 97 3 100 100 100 49 39 62 57 59 26 95 36 49 34 100 79 02 16 27 91 61 33 45 87 5 63 06 100 91 81 66 33 22 57 72 27 100 73 94 100 88 93 100 100 100 53 15 61 41 54 46 56 53 76 72 37 18 100 34 6 79 9 100 a Use the colon operator to extract the marks from C03 and then find the average of those marks using the sum and length commands b Use vertical concatenation to create a single column vector consisting of all of the marks from all 3 sections