A rocket motor is manufactured by bonding together two types of propellants, an igniter and a sustainer. The shear strength of thebond y is thought to be a linear function of the age of the propellant x when the motor is cast. Twenty observations are shown in thefollowing table.Obs. No. Strength (psi) y Age (weeks) xObs. No. Strength (psi) y Age (weeks) x12170.9014.25112183.4014.2521,678.1523.75122,399.553.7532,316.008.00131,779.8025.0042,061.3017.00142,336.759.7552,207.505.00151,765.3022.061,708.3019.00162,053.5018.0071,784.7024.00172,414.406.0082,575.002.50182,200.5012.509.2,357.907.50192,654.202.00102,277.7011.001,753.7021.5020 Fit a linear regression model.(a) Test for significance of regression with a =0.01.fo(Round your answer to 2 decimal places.)Is the model significant?(b) Estimate the standard errors of the intercept and slope.se( ß o)i(Round your answer to 3 decimal places.)se( B 1) =(Round your answer to 3 decimal places.)i(c) Test the hypothesis Ho: B1- 30 versus H1: Bi # – 30 using a = 0.10.to = i(Round your answer to 3 decimal places.)Is the slope equal to -30?(d) Test the hypothesis Ho: Bo = 0 versus H1: Bo 7 0 using a = 0.01.to(Round your answer to 3 decimal places.)Is the intercept significant in the model?(e) Test the hypothesis Ho: Bo2500 versus H1: Bo > 2500 using a =-0.025.to=(Round your answer to 3 decimal places.)Is the intercept significantly greater than 2500?

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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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