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The article “Earthmoving Productivity Estimation Using

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 6E Chapter 8.1

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 6E

The article “Earthmoving Productivity Estimation Using Linear Regression Techniques” (S. Smith, Journal of Construction Engineering and Management, 1999:133-141) presents the following linear model to predict earthmoving productivity (in m3 moved per hour):

where x1 = number of trucks,

x2 = number of buckets per load,

x3 = bucket volume, in m3,

 x4 = haul length, in m

x5 = match factor (ratio of hauling capacity to loading capacity),

x6 = truck travel time, in s,

a. If the bucket volume increases by 1 m3, while other independent variables are unchanged, can you determine the change in the predicted productivity? If so, determine it. If not, state what other information you would need to determine it.

b. If the haul length increases by 1 m, can you determine the change in the predicted productivity? If so, determine it. If not, state what other information you would need to determine it.

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Chapter 8.1, Problem 6E is Solved
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Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

This full solution covers the following key subjects: determine, Productivity, other, predicted, change. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. Since the solution to 6E from 8.1 chapter was answered, more than 263 students have viewed the full step-by-step answer. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. The answer to “The article “Earthmoving Productivity Estimation Using Linear Regression Techniques” (S. Smith, Journal of Construction Engineering and Management, 1999:133-141) presents the following linear model to predict earthmoving productivity (in m3 moved per hour): where x1 = number of trucks,x2 = number of buckets per load,x3 = bucket volume, in m3, x4 = haul length, in mx5 = match factor (ratio of hauling capacity to loading capacity),x6 = truck travel time, in s,a. If the bucket volume increases by 1 m3, while other independent variables are unchanged, can you determine the change in the predicted productivity? If so, determine it. If not, state what other information you would need to determine it.________________b. If the haul length increases by 1 m, can you determine the change in the predicted productivity? If so, determine it. If not, state what other information you would need to determine it.” is broken down into a number of easy to follow steps, and 143 words. The full step-by-step solution to problem: 6E from chapter: 8.1 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4.

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