#3
| Observation | John | Fred |
| 1 | 66.4 | 75.6 |
| 2 | 63.8 | 75.1 |
| 3 | 69.3 | 74.6 |
| 4 | 64.2 | 76.1 |
| 5 | 55.7 | 71.6 |
| 6 | 72.5 | 73.7 |
| 7 | 66.2 | 75.8 |
| 8 | 64.0 | 81.8 |
| 9 | 68.3 | 73.3 |
| 10 | 66.1 | 73 |
| 11 | 64.3 | 77.8 |
| 12 | 67.1 | 74.8 |
| 13 | 70.1 | 61.3 |
| 14 | 65.7 | 69.7 |
| 15 | 63.0 | 68.7 |
| 16 | 59.0 | 76.1 |
| 17 | 59.1 | 77.7 |
| 18 | 65.9 | 71 |
| 19 | 67.8 | 71.6 |
| 20 | 77.0 | 62.3 |
| 21 | 65.4 | 66.4 |
| 22 | 70.5 | 78.3 |
| 23 | 65.2 | 70.9 |
| 24 | 73.3 | 70 |
| 25 | 63.2 | 70.9 |
| 26 | 65.6 | 70 |
| 27 | 63.2 | 66.5 |
| 28 | 62.7 | 71.9 |
| 29 | 61.1 | 67.8 |
| 30 | 65.2 | 70.1 |
| 31 | 64.6 | 72.1 |
| 32 | 70.0 | 70.7 |
| 33 | 65.8 | 60.3 |
| 34 | 68.2 | 65.7 |
| 35 | 70.2 | 68.6 |
| 36 | 68.8 | 70.4 |
| 37 | 58.5 | 61.4 |
| 38 | 63.8 | 62.7 |
| 39 | 64.0 | 64 |
| 40 | 68.5 | 69.5 |
| 41 | 69.0 | 62.3 |
| 42 | 56.8 | 66.1 |
| 43 | 64.8 | 62.1 |
| 44 | 60.1 | 68 |
| 45 | 66.8 | 60.6 |
| 46 | 73.0 | 64.7 |
| 47 | 66.0 | 60.6 |
| 48 | 62.5 | 62.3 |
| 49 | 69.7 | 59.1 |
| 50 | 65.8 | 60.8 |
| 51 | 65.2 | 68 |
| 52 | 69.6 | 61.6 |
| 53 | 64.8 | 58.3 |
| 54 | 70.5 | 55.8 |
| 55 | 61.3 | 67.8 |
| 56 | 65.8 | 64.1 |
| 57 | 67.9 | 63.9 |
| 58 | 68.8 | 60.2 |
| 59 | 64.1 | 62.3 |
| 60 | 60.5 | 61.1 |
| 61 | 63.6 | 63.4 |
| 62 | 67.6 | 64.5 |
| 63 | 66.4 | 58.5 |
| 64 | 64.1 | 60.1 |
| 65 | 72.1 | 62.9 |
| 66 | 66.6 | 57.2 |
| 67 | 66.0 | 63.5 |
| 68 | 71.9 | 65.7 |
| 69 | 65.6 | 64.7 |
| 70 | 58.8 | 57.4 |
This is fictitious data.
#4
| Customer | Time |
| 1 | 138.6 |
| 2 | 43.3 |
| 3 | 57.5 |
| 4 | 84.2 |
| 5 | 44.7 |
| 6 | 30.4 |
| 7 | 317.6 |
| 8 | 82.4 |
| 9 | 67.0 |
| 10 | 84.6 |
| 11 | 71.0 |
| 12 | 39.2 |
| 13 | 68.7 |
| 14 | 40.2 |
| 15 | 44.2 |
| 16 | 73.0 |
| 17 | 37.7 |
| 18 | 54.4 |
| 19 | 94.4 |
| 20 | 38.8 |
| 21 | 129.5 |
| 22 | 51.1 |
| 23 | 45.6 |
| 24 | 114.5 |
| 25 | 91.3 |
| 26 | 94.8 |
| 27 | 94.7 |
| 28 | 102.3 |
| 29 | 31.1 |
| 30 | 40.0 |
| 31 | 38.8 |
| 32 | 90.9 |
| 33 | 32.1 |
| 34 | 35.6 |
| 35 | 198.5 |
| 36 | 96.6 |
| 37 | 115.2 |
| 38 | 110.7 |
| 39 | 181.6 |
| 40 | 60.6 |
| 41 | 143.5 |
| 42 | 50.3 |
| 43 | 111.9 |
| 44 | 79.1 |
| 45 | 65.9 |
| 46 | 178.1 |
| 47 | 96.2 |
| 48 | 38.4 |
| 49 | 141.0 |
| 50 | 63.0 |
| 51 | 47.2 |
| 52 | 44.5 |
| 53 | 248.8 |
| 54 | 34.5 |
| 55 | 44.8 |
| 56 | 30.9 |
| 57 | 133.4 |
| 58 | 41.2 |
| 59 | 34.8 |
| 60 | 30.7 |
| 61 | 269.5 |
| 62 | 64.3 |
| 63 | 171.8 |
| 64 | 51.2 |
| 65 | 117.5 |
| 66 | 41.6 |
| 67 | 96.7 |
| 68 | 58.6 |
| 69 | 49.1 |
| 70 | 58.2 |
| 71 | 43.1 |
| 72 | 134.1 |
| 73 | 149.8 |
| 74 | 120.5 |
| 75 | 32.2 |
| 76 | 128.3 |
| 77 | 113.7 |
| 78 | 154.9 |
| 79 | 68.0 |
| 80 | 52.5 |
| 81 | 63.5 |
| 82 | 40.7 |
| 83 | 164.9 |
| 84 | 211.1 |
| 85 | 225.8 |
| 86 | 162.0 |
| 87 | 163.5 |
| 88 | 79.3 |
| 89 | 52.5 |
| 90 | 84.6 |
| 91 | 72.2 |
| 92 | 69.8 |
| 93 | 89.3 |
| 94 | 365.4 |
| 95 | 35.9 |
| 96 | 96.9 |
| 97 | 62.4 |
| 98 | 79.5 |
| 99 | 152.0 |
| 100 | 212.1 |
| 101 | 152.8 |
| 102 | 87.6 |
| 103 | 188.4 |
| 104 | 67.0 |
| 105 | 122.8 |
| 106 | 158.1 |
| 107 | 138.9 |
| 108 | 155.0 |
| 109 | 91.6 |
| 110 | 194.2 |
| 111 | 74.8 |
| 112 | 269.4 |
| 113 | 30.4 |
| 114 | 112.0 |
| 115 | 67.3 |
| 116 | 210.2 |
| 117 | 97.6 |
| 118 | 71.5 |
| 119 | 39.3 |
| 120 | 30.7 |
| 121 | 68.5 |
| 122 | 45.0 |
| 123 | 132.6 |
| 124 | 91.2 |
| 125 | 60.1 |
| 126 | 90.6 |
| 127 | 81.2 |
| 128 | 58.2 |
| 129 | 40.9 |
| 130 | 46.8 |
| 131 | 45.5 |
| 132 | 88.6 |
| 133 | 40.0 |
| 134 | 165.7 |
| 135 | 56.7 |
| 136 | 49.8 |
| 137 | 230.4 |
| 138 | 41.5 |
| 139 | 70.6 |
| 140 | 37.2 |
| 141 | 107.1 |
| 142 | 75.2 |
| 143 | 197.8 |
| 144 | 50.2 |
| 145 | 77.1 |
| 146 | 85.6 |
| 147 | 167.9 |
| 148 | 86.5 |
| 149 | 40.5 |
| 150 | 66.0 |
| 151 | 46.7 |
| 152 | 49.9 |
| 153 | 175.1 |
| 154 | 193.7 |
| 155 | 34.1 |
| 156 | 119.5 |
| 157 | 72.3 |
| 158 | 183.8 |
| 159 | 31.1 |
| 160 | 166.9 |
| 161 | 126.9 |
| 162 | 190.1 |
| 163 | 120.0 |
| 164 | 38.3 |
| 165 | 35.2 |
| 166 | 100.4 |
| 167 | 70.8 |
| 168 | 102.3 |
| 169 | 101.7 |
| 170 | 54.9 |
| 171 | 123.5 |
| 172 | 43.8 |
| 173 | 66.4 |
| 174 | 38.0 |
| 175 | 144.4 |
| 176 | 37.6 |
| 177 | 68.3 |
| 178 | 88.8 |
| 179 | 132.3 |
| 180 | 112.4 |
| 181 | 52.5 |
| 182 | 42.7 |
| 183 | 85.0 |
| 184 | 92.7 |
| 185 | 90.8 |
| 186 | 256.0 |
| 187 | 50.0 |
| 188 | 226.1 |
| 189 | 113.8 |
| 190 | 41.1 |
| 191 | 77.1 |
| 192 | 517.7 |
| 193 | 112.0 |
| 194 | 76.3 |
| 195 | 73.2 |
| 196 | 88.4 |
| 197 | 198.4 |
| 198 | 36.9 |
| 199 | 47.6 |
| 200 | 50.7 |