A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (in seconds) to complete the escape (“Oxygen Consumption and Ventilation During Escape from n Offshore Platform,” Ergonomics [1997]: 281– 292):
a. Construct a stem-and-leaf display of the data. Will the sample mean or the sample median be larger for this data set?
b. Calculate the values of the sample mean and median. x 5 370.692
c. By how much could the largest time be increased without affecting the value of the sample median? By how much could this value be decreased without affecting the sample median?

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