Exercise14-3. In the book Design and Analysis of Experiments,8th edition (2012, John Wiley & Sons), the results of an experi-ment involving a storage battery used in the launching mecha-nism of a shoulder-fired ground-to-air missile were presented.Three material types can be used to make the battery plates.The objective is to design a battery that is relatively unaffectedby the ambient temperature. The output response from thebattery is effective life in hours. Three temperature levels areselected, and a factorial experiment with four replicates is run.The data are as follows:Temperature (°F)MediumMaterialLowHigh11301553440207074180807582582150188136122257015912610611558453138110174120961041681601501398260(a) Test the appropriate hypotheses and draw conclusionsusing the analysis of variance with α = 0.05.(b) Graphically analyze the interaction.(c) Analyze the residuals from this experiment.

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Answered: Exercise 14-3. In the book Design and…

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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Consider the following variables: Y=daily productivity score (measured in points) X1=0 if undergraduate student,1 if graduate student X2=hours of sleep per night 1. If you want to test whether type of student modifies the association between hours of sleep per night and daily productivity score, which model (from attached image) should you consider and what is the null hypothesis for this test? A. Use Model 3 and test H0: β2=0 B. Use Model 5 and test H0: β3=0 C. Use Model 5 and test H0: β1=0 D. Use Model 5 and test H0: β2=0 E. Use Model 2 and test H0: β1=0 2. Suppose that you decide to use Model 5 (from pocture attached) to describe the relationship between type of student, hours of sleep per night, and daily productivity score. You use the method of least squares to obtain the following: Y= -0.5 + 3(X1) + 1.5(X2) + 2.5(X1X2) What is the estimated slope relating hours of sleep per night and daily productivity score among undergraduate students? A. 2 B. None of…
Please answer question (c)

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