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In a study of the effect of subbase thickness on the amount of surface deflection caused by aircraft landing on an airport runway, simulated Boeing 747 landing gear was trafficked across four sections of runway. Then simulated Boeing 777 landing gear was traf- ficked across four sections of runway. The surface deflection for each trial is listed below. 5. Boeing 747 Boeing 777 4.01 3.87 3.72 3.76 4.57 4.48 4.36 4.43 Compute an appropriate 95% confidence interval for the difference in mean surface deflec- tion for a Boeing 777 vs a Boeing 747. State any additional assumptions that you need to make. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. 6. It turns out that, in problem #5, the four sections of pavement were the same for the two sets of landing gear, so we reaally have paired data, Section: 3 4 Boeing 747 4.01 Boeing 777 4.57 4.48 4.36 3.87 3.72 3.76 4.43 This changes the procedure for calculating a 95% confidence interval for the difference be- tween mean 747 surface deflection vs. mean 777 surface deflection. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. (a) Compute the 95% confidence interval by the new procedure. State any additional assumptions that you need to make. (b) any drawbacks to the better interval? Which interval is better, the one from #5 or the one from #6(a)? Why? Are there

In a study of the effect of subbase thickness on the amount of surface deflection caused by aircraft landing on an airport runway, simulated Boeing 747 landing gear was trafficked across four sections of runway. Then simulated Boeing 777 landing gear was traf- ficked across four sections of runway. The surface deflection for each trial is listed below. 5. Boeing 747 Boeing 777 4.01 3.87 3.72 3.76 4.57 4.48 4.36 4.43 Compute an appropriate 95% confidence interval for the difference in mean surface deflec- tion for a Boeing 777 vs a Boeing 747. State any additional assumptions that you need to make. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. 6. It turns out that, in problem #5, the four sections of pavement were the same for the two sets of landing gear, so we reaally have paired data, Section: 3 4 Boeing 747 4.01 Boeing 777 4.57 4.48 4.36 3.87 3.72 3.76 4.43 This changes the procedure for calculating a 95% confidence interval for the difference be- tween mean 747 surface deflection vs. mean 777 surface deflection. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. (a) Compute the 95% confidence interval by the new procedure. State any additional assumptions that you need to make. (b) any drawbacks to the better interval? Which interval is better, the one from #5 or the one from #6(a)? Why? Are there

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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In a study of the effect of subbase thickness on the amount of surface deflection caused by aircraft landing on an airport runway, simulated Boeing 747 landing gear was trafficked across four sections of runway. Then simulated Boeing 777 landing gear was traf- ficked across four sections of runway. The surface deflection for each trial is listed below. 5. Boeing 747 Boeing 777 4.01 3.87 3.72 3.76 4.57 4.48 4.36 4.43 Compute an appropriate 95% confidence interval for the difference in mean surface deflec- tion for a Boeing 777 vs a Boeing 747. State any additional assumptions that you need to make. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using.
Transcribed Image Text:In a study of the effect of subbase thickness on the amount of surface deflection caused by aircraft landing on an airport runway, simulated Boeing 747 landing gear was trafficked across four sections of runway. Then simulated Boeing 777 landing gear was traf- ficked across four sections of runway. The surface deflection for each trial is listed below. 5. Boeing 747 Boeing 777 4.01 3.87 3.72 3.76 4.57 4.48 4.36 4.43 Compute an appropriate 95% confidence interval for the difference in mean surface deflec- tion for a Boeing 777 vs a Boeing 747. State any additional assumptions that you need to make. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using.
6. It turns out that, in problem #5, the four sections of pavement were the same for the two sets of landing gear, so we reaally have paired data, Section: 3 4 Boeing 747 4.01 Boeing 777 4.57 4.48 4.36 3.87 3.72 3.76 4.43 This changes the procedure for calculating a 95% confidence interval for the difference be- tween mean 747 surface deflection vs. mean 777 surface deflection. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. (a) Compute the 95% confidence interval by the new procedure. State any additional assumptions that you need to make. (b) any drawbacks to the better interval? Which interval is better, the one from #5 or the one from #6(a)? Why? Are there
Transcribed Image Text:6. It turns out that, in problem #5, the four sections of pavement were the same for the two sets of landing gear, so we reaally have paired data, Section: 3 4 Boeing 747 4.01 Boeing 777 4.57 4.48 4.36 3.87 3.72 3.76 4.43 This changes the procedure for calculating a 95% confidence interval for the difference be- tween mean 747 surface deflection vs. mean 777 surface deflection. You may use Minitab or other software for this problem, but you must show enough steps that it is clear that you understand the procedure(s) you are using. (a) Compute the 95% confidence interval by the new procedure. State any additional assumptions that you need to make. (b) any drawbacks to the better interval? Which interval is better, the one from #5 or the one from #6(a)? Why? Are there
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