A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 19 23 30 37 12 13 40 44 46 51 58 61 66 68 69 72 74 76 77 80 81 83 84 90 91 92 96 100 101 104 105 105 113 119 124 136 139 141 148 159 162 168 184 205 247 263 288 321 388 513 Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median sample mean USE SALT 10% trimmed mean 25% trimmed mean. 92 91 98.67 95.2880 Compare these measures. X X x x 91.5 119.32 102.4 95.2869

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