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A sample of 26 offshore oil workers took part in a

Probability and Statistics for Engineers and the Scientists | 9th Edition | ISBN: 9780321629111 | Authors: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye ISBN: 9780321629111 32

Solution for problem 36E Chapter 1

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Probability and Statistics for Engineers and the Scientists | 9th Edition | ISBN: 9780321629111 | Authors: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 36E

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): a. ?Construct a stem-and-leaf display of the data. How does it suggest that the sample mean and median will compare? b.? ?Calculate the values of the sample mean and median. c. By how much could the largest time, currently 424, be increased without affecting the value of the sample median? By how much could this value be decreased without affecting the value of the sample median? d. What are the values of the observations are reexpressed in minutes?

Step-by-Step Solution:

Solution : Step 1 : The given data is a sample of 6 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (sec) to complete the escape. 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 Step 2 : a) We have to make a stem-Leaf graph for the given observations. And also want to know the nature of mean and median. 1)In order to make the stem-Leaf display first we have to arrange the data in ascending order. Here it will be 325 325 334 339 356 356 359 359 363 364 364 366 369 370 373 373 374 375 389 392 393 394 397 402 403 424 2) By considering the ten digit as Stem and one digit as Leaf we will get the Stem-Leaf display as: From the display it is clear that the data is reasonably symmetric. So the mean and median will be close value.

Step 3 of 4

Chapter 1, Problem 36E is Solved
Step 4 of 4

Textbook: Probability and Statistics for Engineers and the Scientists
Edition: 9
Author: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye
ISBN: 9780321629111

The full step-by-step solution to problem: 36E from chapter: 1 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM. Since the solution to 36E from 1 chapter was answered, more than 907 students have viewed the full step-by-step answer. The answer to “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): a. ?Construct a stem-and-leaf display of the data. How does it suggest that the sample mean and median will compare? b.? ?Calculate the values of the sample mean and median. c. By how much could the largest time, currently 424, be increased without affecting the value of the sample median? By how much could this value be decreased without affecting the value of the sample median? d. What are the values of the observations are reexpressed in minutes?” is broken down into a number of easy to follow steps, and 117 words. This textbook survival guide was created for the textbook: Probability and Statistics for Engineers and the Scientists, edition: 9. Probability and Statistics for Engineers and the Scientists was written by and is associated to the ISBN: 9780321629111. This full solution covers the following key subjects: sample, median, escape, much, offshore. This expansive textbook survival guide covers 18 chapters, and 1582 solutions.

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