A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (sec) to complete the escape. Here is a stem-and-leaf display of escape time data. stem leaf 32 55 33 49 34 35 6699 36 34469 37 03345 38 7 39 2347 40 23 41 42 8 (a) Determine the value of the fourth spread. (b) Are there any outliers in the sample? Any extreme outliers? O There are no extreme outliers but several outliers. O There are several extreme outliers. O There is one extreme outlier and one outlier. O There are no outliers or extreme outliers. O There is one extreme outlier and several outliers.

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