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A = [70 43 75 72 70 82 79 60 92 77 84 69 74 85 79 78 60 76 100 70 64 74 65

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A = [70 43 75 72 70 82 79 60 92 77 84 69 74 85 79 78 60 76 100 70 64 74 65 86 83 70 62 73 97 63 66 88 63 43 50 75 42 74 63 79 94 95 91 65 78 67 87 87 79 78 67 100 74 77 64 84 78 89 100 72 79 80 69 78 54 70 67 82 27 100 72 78 78 72 68 73 70 65 66 62 75 70 100 75 96 95 82 64 95 63 100 92 57 82 65 76 85 72 87 37 71 84 82 97 69 80 54 76 77 63 55 70 67 81 68 70 66 93 63 75 47 77 59 85 86 76 84 54 79 82 77 80 69 64 83 84 77 61 79 64 68 49 94 93 78 79 78 84 66 52 35 77 78 87 52 63 78 42 56 82 83 73 54 68 75 80 84 53 64 100 89 69 69 62 93 78 73 90 68 61 48 39 65 70 80 39 71 76 51 72 70 100 62 74 76 66 97 81 65 83 76 73 62 78 80 94 83 50 81 95 93 87 65 88 65 65 59 78 75 82 56 87 57 73 78 60 83 100 78 52 74 66 63 68 68 53 93 84 59 63 77 49 66 63 93 75 79 60 73 89 61 91 63 53 53 62 84 54 79 56 30 59 58 98 82 49 93 85 92 91 75 69 72 57 69 67 97 63 69 91 77 79 59 68 68 100 55 75 73 63 79 93 79 95 93 72 73 79 89 70 71 54 93 73 75 55 94 90 58 49 61 100 64 86 95 82 92 97 66 70 87 76 66 85 75 72 78 72 52 81 89 61 88 82 65 73 35 70 70 50 79 40 83 53 58 81 81 76 77 54 40 69 56 78 69 81 74 51 60 65 58 69 82 84 71 87 77 64 79 56 70 100 64 73 60 88 76 57 65 69 64 81 75 73 67 72 88 70 100 81 64 78 67 82 61 95 83 77 54 45 69 60 66 76 98 85 86 72 54 86 74 98 86 69 91 50 78 71 62 69 100 100 73 72 53 100 59 57 57 84 76 66 74 84 53 83 65 93 78 85 58 71 66 58 66 77 62 67 90 83 56 78 64 42 89 49 78 81 68 55 70 79 65 70 58 61 82 69 87 100 89 43 71 72 59 94 79 87 69 65 78 66 77 90 100 81 73 74 82 83 65 61 100 67 57 80 98 87 58 71 50 49 78 77 70 81 70 74 83 59 81 100 100 75 79 62 56 77 74 69 77 48;76 63 72 75 77 61 86 59 69 71 70 62 53 69 100 89 69 64 80 81 55 75 41 60 79 77 49 78 63 54 50 45 68 77 55 63 63 55 57 43 68 83 71 81 66 75 54 100 77 79 78 100 80 55 45 66 62 54 97 83 65 99 82 87 85 81 80 80 79 79 57 58 78 73 89 61 71 88 70 70 77 78 82 88 69 72 99 46 63 89 78 66 61 100 89 81 86 94 64 77 76 84 71 91 54 46 80 50 69 56 74 50 82 85 87 67 71 71 88 92 86 75 54 76 66 66 47 82 61 74 44 77 85 46 33 81 76 61 87 74 42 55 55 77 84 29 64 58 77 100 5
Problem #1: Consider the below matrix A, whach you can copy and paste directly into Matlab The matrix contains 3 columns The first column consists of Test #1 marks, the second column is Test #2 marks, and the third column is final exam marks for a large linear algebra course Each row represents a particular student A = [70 43 75 72 70 82 79 60 92 77 84 69 74 85 79 78 60 76 100 70 64 74 65 86 83 70 62 73 50 75 42 74 63 79 94 95 91 65 78 67 87 87 79 78 67 100 74 77 64 84 78 89 100 72 79 80 69 78 54 70 67 82 27 63 66 88 63 43 100 72 78 78 72 68 73 70 65 66 62 75 70 100 75 96 95 82 64 95 63 100 92 57 82 65 76 85 72 87 37 71 84 82 97 69 80 54 76 7763 55 7067 81 68 70 66 93 63 75 47 775985 86 76 84 54 79 82 77 80 69 64 83 84 77 61 1964 68 49 94 93 78 79 78 84 66 52 35 77 78 87 5263 78 42 56 82 83 73 54 68 75 80 84 53 64 100 89 69 69 62 93 78 73 90 68 61 48 39 65 70 80 39 71 76 51 72 70 100 62 74 76 66 97 81 65 83 76 73 62 78 80 94 83 50 81 95 93 87 65 88 65 65 59 78 75 82 56 87 57 73 78 60 83 100 78 52 74 66 63 68 68 53 93 84 59 63 77 4966 63 93 75 7960 73 89 61 91 63 53 53 62 84 54 79 56 30 59 58 98 82 49 93 88 92 91 75 69 72 57 69 67 97 63 69 91 77 79 59 68 68 100 55 75 73 63 79 93 79 95 93 72 73 79 89 70 71 54 93 73 75 55 94 90 58 49 61 100 64 86 95 82 92 97 66 70 87 76 66 85 75 72 78 72 52 81 89 61 88 82 65 73 35 70 70 50 79:40 83 53 5881 81 76 77 54 40 69 56 78 69 81 74 51 60 65 58 69 82 84 71 87 77 64 79 56 70 100 64 73 60 88 76 5765 69 64 81 75 73 67 72 88 70 100 81 64 78 67 82 61 95 83 77 54 45 69 60 66 76 98 85 86 72 54 86 74 98 86 69 91 50 78 71 62 69 100 100 73 72 53 100 59 57 57 84 76 66 74 84 53 83 65 93 78 85 58 71 66 58 66 7762 67 90 83 56 78 64 42 89 49 78 81 68 55 70 79 65 70 58 61 82 69 87 100 89 43 71 72 59 94 79 87 69 65 78 66 77 90 100 81 73 74 82 83 65 61 100 67 57 80 98 87 58 71 50 49 78 77 70 81 70 74 83 59 81 100 100 75 79 62 56 77 74 69 77 48,76 63 72 75 77 61 86 59 69 71 70 62 53 69 100 89 69 64 80 81 55 75 41 60 79 77 49 78 63 54 50 45 68 77 55 63 63 55 57 43 68 83 71 81 66 75 54 100 77 79 78 100 80 55 45 66 62 54 97 83 65 99 82 87 85 81 80 80 79 79 57 58 78 73 89 61 71 88 70 70 77 78 82 88 69 72 99 46 63 89 78 66 61 100 89 81 86 94 64 77 76 84 71 91 54 46 80 50 69 56 74 50 82 85 87 67 71 71 88 92 86 75 54 76 66 66 47 82 61 74 4477 85 46 33 81 76 61 87 7442 55 55 77 84 29 64 58 77 100 54 87 74 70 63 43 56 86 81 62 68 84 78 78 89 42 67 63 73 69 36 70 98 75 60 66 75 59 53 73 56 82 63 80 79 57 79 67 70 87 88 62 58 86 77 69 55 77 85 78 95 62 64 91 81 79 90 87 58 73 94 53 64 66 26 85 38 53 53 76 71 65 69 46 63 97 64 64 57 56 63 69 85 50 83 51 74 79 87 68 49 64 50 74 69 62 89 78 81 96 97 47 63 51 68 50 87 65 93 78 87 71 75 77 74 49 77 43 64 74 88 34 72 68 82 84 73 92 64 95 76 86 78 65 83 76 77 80 90 83 65 81 64 22 66 82 88 38 84 87 85 41 91 71 79 48 53 54 66 61 78 79 77 84 55 77 65 72 5755 80 90 66 48 57 80 49 52 77 63 58 100 59 82 77 54 69 84 73 82 73 68 92 72 47 72 83 68 53 69 84 87 74 69 67 75 62 5792 35 61 87 82 77 74 57 21 84 74 71 43 41 90 63 76 78 77 39 51 91 69 68 93 82 57 69 66 80 72 55 62 98 75 49 54 66 62 60 44 67 51 67 60 49 75 82 81 73 38 87 60 80 81 52 56 97 41 54 53 85 63 75 79 74 66 81 72 97 45 64 89 53 80 58 38 55 74 61 83 63 50 65 81 57 68 63 76 68 61 69 73 73 70 58 90.94 69 66 89 75 51 86 90 76 67 45 54 58 48 72 53 67 75 82 67 66 67 100 75 65 50 57 57 80 70 52 43 51 84 54 S563 40 51 54 80 89 61 100 61 46 66 74 79 58 77 75 55 79 42 46 77 72 72 5687 45 67 100,71 60 43 6432 4739 58:47 83 59 62 53 61 59 49 36 63 32 60 69 38 49 44 60 62 55 59 44 48 42 75 74 75 57 52 52 68 66 70 60 54 66 26 71 43 64 65 55 52 58 51 77 64 66 72 67 57 80 69 39 76 75 93 60 65 50 68 81 46 55 53 61 56 46 67 100 43.76 66 78 54 77 62 63 75 72 72 45 63 55 55 43 76 86 66 56 71 80 92 47 40 59 52 72 76 58 65 68 62 61 49 66 18 62 59 52 75 64 48 79 69 41 6075 4738 76 76 58 92 63 46 72 35 76 59 71 58 79 68 51 72 38 49 72 93 35 47 66 66 76 46 37 37 30 40 60 49 40 40 66 91 63 59 67 37 74 65 62 91 19 60 65 51 82 62 57 50 68 61 56 84 81 67 44 59 92 63 85 82 53 57 66 76 57 56 57 70 41 57 45 80 72 64 44 55 75 62 81 70 59 56 71 51 38 41 44 53 61 8940 55 76 54 59 52 52 69 49 66 62 66 45 77 61 48 61 72 84 43 64 65 64 36 52 51 53 56 55 68 59 61 88 90 31 37 66 74 55 58 59 71 55 61 55 41 56 39 68 72 57 71 56 54 45 75 60 64 59 56 57 71 69 68 40 68 59 100 79 66 64 62 59 65 55 65 56 52 60 75 52 48 72 77 82 70 62 66 72 61 69 63 65 62 55 83 67 55 56 55 65 34 77 46 44 23 88 64 73 77 37 56 80 71 66 64 53 65 83 42 49 38 52 32 61 71 39 64 76 67 64 85 89 34 56 52 69 80 74 59 66 60 67 59 61 67 55 52 70 48 73 43 56 66 79 38 61 54 72 40 52 61 95 64 78 53 67 38 76 90 68 31 71 63 43 58 30 100 1 TO 19661566166621965 ST 61 0489 75 51 86 90 76 67 45 54 58 48 72 53 67 75 82 10 1 65 50 57 57 80 70 52 43 51 84 54 81 55 63 40 51 54 80 89 61 100 61 46 66 74 79 58 77 75 55 79 42 46 77 72 72 56 87.45 67 100,71 60 43 64 32 4739 5847 72 48 83 59 62 53 61 59 49 36 63 32 60 69 38 49 44 60 62 55 59 44 48 42 75 74 75 57 52 52 68 66 70 60 54 66 26 71 43 64 65 55 52 58 51 77 64 66 72 67 57 80 69 39 76 75 93 60 65 50 68 81 46 55 53 61 56 46 67 100 43 76 66 78 77 62 63 75 72 72 45 63 55 55 43 76 86 58 65 68 62 61 49 66 18 62 59 52 75 64 48 79 69 41 60 75 61 55 58 47 60 44 66 56 71 80 92 47 40 59 52 72 76 47 38 76 76 58 92 63 46 72 35 76 59 71 58 79 68 51 72 38 74 85 83 56 65 49 72 93 35 47 66 66 76 46 37 37 30 74 65 62 91 19 60 65 51 82 62 37 50 68 61 56 84 81 67 4447 44 54 60 71 60 40 60 49 40 40 66 91 63 59 67 37 59 92 63 85 82 53 57 66 76 57 56 57 70 41 57 45 44 55 75 62 81 70 59 56 71 51 38 41 44 53 61 89 40 55 76 54 59 52 52 69 49 66 62 66 45 77 61 48 61 72 84 64 65 64 36 52 51 53 56 55 68 59 64 88 90 31 S7 66 72 57 71 56 54 45 75 60 64 59 56 57 71 69 68 40 68 59 100 79 66 64 30 51 74 55 58 59 71 55 61 55 41 56 39 68 62 59 65 65 65 56 52 60 75 52 48 63 72 77 82 70 62 66 72 61 69 63 65 62 55 83 67 55 56 55 65 34 77 46 44 23 88 64 73 77 37 56 80 71 66 64 53 65 83 42 49 38 52 32 61 39 64.76 67 64 85 89 34 56 52 69 80 74 59 66 60 67 59 61 67 55 52 70 48 73 43 56 66 79 38 61 54 72 40 61 95 64 78 53 67 38 76 90 68 31 71 63 43 58 30 100 52 62 55 60 42 83 44 76 60 60 64 53 48 87 78 78 93 48 71 55 38 81 81 70 75 29 66 41 56 61 66 62 48 65 81 61 65 81 83 39 62 74 46 85 51 63 64 53 81 67 44 74 62 47 75 54 73 50 67 51 85 62 49 63 86 73 60 64 48 82 58 50 62 47 48 44 71 50 94 61 60 60 61 33 60 77 79 64 38 48 62 61 76 42 49 77 50 32 70 80 30" Before doing the below parts, you can check that you are on the nght track as follows. Use a boolean expression, followed by the sum function, to verify that 284 students got a higher mark on Test I than on Test #2 (a) How many students got a higher mark on the exam than on Test w1? (b) How many students had marks that increased throughout the term? i.e. how many students had test scores such that Test #1 Test #2 Exam? (Or equivalently. Test #1 Test #2 and Test #2

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