State your null and alternative hypothesis. Which mean is higher between brand a or brand d?

Altimeter Altimeter Altimeter Altimeter Altimeter Altimeter errors from errors from errors from errors from errors from errors from a Brand A Brand B Brand C Brand D Brand E Brand F Ca 124 24 144 44 24 1 14 0 14 96 5 18 12 40 32 92 45 36 18 9 12 78 33 66 1 14 2 16 98 7 20 14 42 34 94 47 38 20 11 14 80 35 68 1 16 90 40 84 30 36 27 126 26 75 33 66 9 135 30 75 15 99 96 124 17 87 30 30 120 27 22 96 17 89 21 51 39 83 29 26 35 25 125 74 32 134 65 8 29 74 14 95 98 16 123 86 29 100 17 29 91 26 31 65 15 31 102 27 111 23 26 27 69 39 81 26 34 33 108 102 75 18 18 45 130 144 108 24 29 59 129 135 27 20 26 57 75 62 120 33 22 66 96 89 17 39 83 21 51 26 29 25 74 35 32 125 30 36 65 43 50 14 147 8 54 36 27 130 60 12 78 60 129 44 147 129 96 138 41 75 138 9 69 51 53 9 90 40 84 87 27 26 30 15 36 31 75 37 33 126 44 51 66 15 148 9 55 28 131 13 37 61 79 61 57 148 0 45 151 97 *Note - Error (distanc 30 76 36 141