Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unitlength, in GPa) and flexural strength (a measure of the ability to resist failure in bending, in MPa) were determined for asample of concrete beams of a certain type.The regression output is availablea) Test for the significance of the regression coefficient of modulus (Betha1)at the significance level a=0.05.PredictorCoefStdevt-ratioConstantmod elas3.29250.60080.012805.480.0000.0000.107488.40S 0.8657 R-sq = 73.8% R-sq (adj) = 72.8%Analysis of VarianceSOURCERegressionErrorDFSSMS12.87070.55 0.0002518.7360.749Total2671.605Select one:a. Not enough information to do the testb. we reject the null hypothesis and conclude that (Betha1) is not equal to zeroC. we fail reject the null hypothesis and conclude that (Betha1) is not equal to zerod. None of the answers

a) It is been asked to test whether regression coefficient modulus is significant at 5% significance…

Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unit length, in GPa) and flexural strength (a measure of the ability to resist failure in bending, in MPa) were determined for a sample of concrete beams of a certain type. The regression output is available a) Test for the significance of the regression coefficient of modulus (Betha1)at the significance level a=o.05. Predictor Coef Stdev t-ratio P Constant 3.2925 0.6008 5.48 0.000 mod elas 0.10748 0.01280 8.40 0.00০ S = 0.8657 R-sq = 73.8% R-sq (adj) = 72.8% Analysis of Variance SOURCE DF SS MS Regression 1 52.870 52.870 70.55 0.000 Error 25 18.736 0.749 Total 26 71.605 Select one: a. Not enough information to do the test b. we reject the null hypothesis and conclude that (Betha1) is not equal to zero C. we fail reject the null hypothesis and conclude that (Betha1) is not equal to zero d. None of the answers

Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unit length, in GPa) and flexural strength (a measure of the ability to resist failure in bending, in MPa) were determined for a sample of concrete beams of a certain type. The regression output is available a) Test for the significance of the regression coefficient of modulus (Betha1)at the significance level a=o.05. Predictor Coef Stdev t-ratio P Constant 3.2925 0.6008 5.48 0.000 mod elas 0.10748 0.01280 8.40 0.00০ S = 0.8657 R-sq = 73.8% R-sq (adj) = 72.8% Analysis of Variance SOURCE DF SS MS Regression 1 52.870 52.870 70.55 0.000 Error 25 18.736 0.749 Total 26 71.605 Select one: a. Not enough information to do the test b. we reject the null hypothesis and conclude that (Betha1) is not equal to zero C. we fail reject the null hypothesis and conclude that (Betha1) is not equal to zero d. None of the answers

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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