31 Guinea pig survival times Here are the survival times in days of 72 guinea pigs after they were injected with infectious bacteria in a medical experiment 6 Survival times whether of machines under stress or cancer patients after treatment usually have distributions that are skewed to the right GUINPIGS 66 67 73 74 79 83 83 84 88 89 91 100 100 101 102 102 102 43 45 53 56 56 57 58 80 80 81 81 81 82 91 92 92 97 99 99 103 104 107 108 109 113 114 118 121 123 126 128 137 138 139 144 145 147 156 162 174 178 179 184 191 198 211 214 243 249 329 380 403 511 522 598 a Graph the distribution and describe its main fea tures Does it show the expected right skew b Which numerical summary would you choose for these data Calculate your chosen summary How