(a) Calculate the least square estimates of the slope and intercept. What is the estimate of a??Round your answers to 3 decimal places.P = 1(b) Find the estimate of the mean deflection if the stress level can be limited to 72%.Round your answer to 2 decimal places.(c) Estimate the change in the mean deflection associated with a 4% increment in stress level.Round your answer to 2 decimal places.(d) To decrease the mean deflection by 1.2 millimeters, how much increase in stress level must be generated?Round your answer to 2 decimal places.(e) Given that the stress level is 68%, find the fitted value of deflection and the corresponding residuals.Round your answers to 2 decimal places.Fitted value = iResiduals (enter in ascending order of value):i An article in Wood Science and Technology ("Creep in Chipboard, Part 3: Initial Assessment of the Influence of Moisture Content andLevel of Stressing on Rate of Creep Time to Fallure" Vol. 15, 1981, pp. 125-144) describes the results of a study of the deflection (mm)of particleboard from stress levels of relative humidity. Assume that the two variables are related according to the simple linearregression model. The data are shown below:Stress level (%) Deflection (mm)5416.4735418.6936114.3056115.1216813.5056811.6407511.1687512.5347511.224Minitab was used to fit a regression equation to the above data set. The results follow.PredictorCoef SE CoefT PConstant32.0492.885 11.11 0.000Stress level -0.27712 0.04361 -6.35 0.000S= 1.05743, R-Sq = 85.2%, R-Sq(adj) = 83.1%Analysis of VarianceF PSourceDFMSRegression1 45.154 45.154 40.38 0.000Residual Error7 7.8271.118Total8 52.981

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Answered: (a) Calculate the least square…

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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