Exercise 46 presented a sample of 26 escape times for oil workers in a simulated exercise. Calculate and interpret the sample standard deviation.

Data From Exercises 46 

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 (“Oxygen Consumption and Ventilation During Escape from an Offshore Platform,” Ergonomics 1997: 281–292):

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