Calculate the values of the sample mean and median

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A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompany- ing data on time (in seconds) to complete the escape ("Oxygen Consumption and Ventilation During Escape from an Offshore Platform," Ergonomics [1997]: 281-292):

389   356   359   363   375   424   325   394     402

373   373   370   364   366   364   325   339     393

392   369   374   359   356   403   334     397

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.

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?

Reference no: EM131008648

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