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The article "Effect of Granular Subbase Thickness on

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

Solution for problem 8E Chapter 6.8

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 8E

Problem 8E

The article "Effect of Granular Subbase Thickness on Airfield Pavement Structural Response" (K. Gopalakrishnan and M. Thompson, Journal of Materials in Civil Engineering, 2008:331-342) presents a study of the effect of the subbase thickness (in mm) on the amount of surface deflection caused by aircraft landing on an airport runway. Two landing gears, one simulating a Boeing 747 aircraft, and the other a Boeing 777 aircraft, were trafficked across four test sections of runway. The results are presented in the following table.

Can you conclude that the mean deflection is greater for the Boeing 777?

Step-by-Step Solution:

Problem 8E

The article "Effect of Granular Subbase Thickness on Airfield Pavement Structural Response" (K. Gopalakrishnan and M. Thompson, Journal of Materials in Civil Engineering, 2008:331-342) presents a study of the effect of the subbase thickness (in mm) on the amount of surface deflection caused by aircraft landing on an airport runway. Two landing gears, one simulating a Boeing 747 aircraft, and the other a Boeing 777 aircraft, were trafficked across four test sections of runway. The results are presented in the following table.

Can you conclude that the mean deflection is greater for the Boeing 777?

                                                             Step by Step Solution

Step 1 of 4

No. of test , n = 4.

Let the significance level

Denote the population mean of the differences by  and the standard deviation by . There are only four differences, which is a small sample. If we assume that the population of differences is approximately normal, we can use the Student’s t test

The null and alternate hypotheses are:

 and

Lets determine the differences in the values of he paired data:

Boeing 747

Boeing 777

Difference D

Section

1

4.01

4.57

-0.56

2

3.87

4.48

-0.61

3

3.72

4.36

-0.64

4

3.76

4.43

-0.67

Step 2 of 4

Chapter 6.8, Problem 8E is Solved
Step 3 of 4

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

The full step-by-step solution to problem: 8E from chapter: 6.8 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. The answer to “The article "Effect of Granular Subbase Thickness on Airfield Pavement Structural Response" (K. Gopalakrishnan and M. Thompson, Journal of Materials in Civil Engineering, 2008:331-342) presents a study of the effect of the subbase thickness (in mm) on the amount of surface deflection caused by aircraft landing on an airport runway. Two landing gears, one simulating a Boeing 747 aircraft, and the other a Boeing 777 aircraft, were trafficked across four test sections of runway. The results are presented in the following table. Can you conclude that the mean deflection is greater for the Boeing 777?” is broken down into a number of easy to follow steps, and 95 words. This full solution covers the following key subjects: aircraft, boeing, landing, runway, subbase. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. Since the solution to 8E from 6.8 chapter was answered, more than 401 students have viewed the full step-by-step answer. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331.

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