Table 2.28 gives data showing the time to infection, at the point of insertion of the catheter, for kidney patients using portable dialysis equipment. There are 38 patients, and the data give the first observation for each patient. The five number summary for these data is (2, 15, 46, 149, 536).

Table 2.28

(a) Identify any outliers in the data. Justify your answer.
(b) Draw the boxplot.

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13 27 2 5 12 24 96 152 17 22 22 23 63 152 536 15 15 39 54 34 132 402 30 119 53 113 130 292 141 447 185 149 511 190