The article "Flexure of Concrete Beams Reinforced with Advanced Composite Orthogrids" (J. of Aerospace Engr, 1997: 7-15) gave the accompanying data on ultimate load (kN) for two different types of beams. Sample Sample Sample Mean Туре SD Size 33.4 2.2 Fiberglass grid 26 26 42.8 4.3 Commercial carbon grid a. Assuming that the underlying distributions are normal calculate and interpret a 99% CI for the difference between true average load for the fiberglass beams and that for the carbon beams. b. Does the upper limit of the interval you calculated in part (a) give a 99% upper confidence bound for the difference between the two us? If not, calculate such a bound. Does it strongly suggest that true average load for the carbon beams is more than that for the fiberglass beams? Explain
The article "Flexure of Concrete Beams Reinforced with Advanced Composite Orthogrids" (J. of Aerospace Engr, 1997: 7-15) gave the accompanying data on ultimate load (kN) for two different types of beams. Sample Sample Sample Mean Туре SD Size 33.4 2.2 Fiberglass grid 26 26 42.8 4.3 Commercial carbon grid a. Assuming that the underlying distributions are normal calculate and interpret a 99% CI for the difference between true average load for the fiberglass beams and that for the carbon beams. b. Does the upper limit of the interval you calculated in part (a) give a 99% upper confidence bound for the difference between the two us? If not, calculate such a bound. Does it strongly suggest that true average load for the carbon beams is more than that for the fiberglass beams? Explain
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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