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Probability and Statistics for Engineering and the Sciences | 9th Edition | ISBN: 9781305251809 | Authors: Jay L. Devore
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A sample of 26 offshore oil workers took part in a simulatedescape exercise, resulting

Chapter 1, Problem 36

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QUESTION:

A sample of 26 offshore oil workers took part in a simulatedescape exercise, resulting in the accompanying dataon time (sec) to complete the escape (OxygenConsumption and Ventilation During Escape from anOffshore Platform, Ergonomics, 1997: 281292):389 356 359 363 375 424 325 394 402373 373 370 364 366 364 325 339 393392 369 374 359 356 403 334 397a. Construct a stem-and-leaf display of the data. Howdoes it suggest that the sample mean and median willcompare?b. Calculate the values of the sample mean and median.[Hint: oxi = 9638.]c. By how much could the largest time, currently 424,be increased without affecting the value of the samplemedian? By how much could this value bedecreased without affecting the value of the samplemedian?d. What are the values of x and ,x when the observationsare reexpressed in minutes?

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QUESTION:

A sample of 26 offshore oil workers took part in a simulatedescape exercise, resulting in the accompanying dataon time (sec) to complete the escape (OxygenConsumption and Ventilation During Escape from anOffshore Platform, Ergonomics, 1997: 281292):389 356 359 363 375 424 325 394 402373 373 370 364 366 364 325 339 393392 369 374 359 356 403 334 397a. Construct a stem-and-leaf display of the data. Howdoes it suggest that the sample mean and median willcompare?b. Calculate the values of the sample mean and median.[Hint: oxi = 9638.]c. By how much could the largest time, currently 424,be increased without affecting the value of the samplemedian? By how much could this value bedecreased without affecting the value of the samplemedian?d. What are the values of x and ,x when the observationsare reexpressed in minutes?

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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

     

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