Consider the data. x; 2 3 4 5. Y; 2 8. 11 12 The estimated regression equation for these data is ý = 1.50 2.10x. (a) Compute SSE, SST, and SSR using equations SSE = I(y, - p?, sST = E(y, - )?, and SSR = E(9, - ?. SSE = SST = SSR = (b) Compute the coefficient of determination r. Comment on the goodness of fit. (For purposes of this exercise, consider a proportion large if it is at least 0.55.) The least squares line did not provide a good fit as a small proportion of the variability in y has been explained by the least squares line. The least squares line provided a good fit as a small proportion of the variability in y has been explained by the least squares line. The least squares line did not provide a good fit as a large proportion of the variability in y has been explained by the least squares line. The least squares line provided a good fit as a large proportion of the variability in y has been explained by the least squares line. (c) Compute the sample correlation coefficient. (Round your answer to three decimal places.)

Consider the data. x; 2 3 4 5. Y; 2 8. 11 12 The estimated regression equation for these data is ý = 1.50 2.10x. (a) Compute SSE, SST, and SSR using equations SSE = I(y, - p?, sST = E(y, - )?, and SSR = E(9, - ?. SSE = SST = SSR = (b) Compute the coefficient of determination r. Comment on the goodness of fit. (For purposes of this exercise, consider a proportion large if it is at least 0.55.) The least squares line did not provide a good fit as a small proportion of the variability in y has been explained by the least squares line. The least squares line provided a good fit as a small proportion of the variability in y has been explained by the least squares line. The least squares line did not provide a good fit as a large proportion of the variability in y has been explained by the least squares line. The least squares line provided a good fit as a large proportion of the variability in y has been explained by the least squares line. (c) Compute the sample correlation coefficient. (Round your answer to three decimal places.)

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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