Construct a residual plot. 167 EREG 167 16 167 12 12 12 12 8- 8 8 8 4- 4 4 4- 0- 0- -4 -4 -4 -4 -8 -8 -12 -16 -8- -8- -12 -16 -12 -12 -16 -16 6 8 10 12 8 10 4 6 8 10 6 8 10 4 14 4 6 12 14 12 14 2 12 14 Years of Experience Years of Experience Years of Experience Years of Experience (b) Do the assumptions about the error terms seem reasonable in light of the residual plot? O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions do not appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions do not appear reasonable. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions appear reasonable. • The plot suggests curvature in the residuals indicating that the error term assumptions appear reasonable.

Construct a residual plot. 167 EREG 167 16 167 12 12 12 12 8- 8 8 8 4- 4 4 4- 0- 0- -4 -4 -4 -4 -8 -8 -12 -16 -8- -8- -12 -16 -12 -12 -16 -16 6 8 10 12 8 10 4 6 8 10 6 8 10 4 14 4 6 12 14 12 14 2 12 14 Years of Experience Years of Experience Years of Experience Years of Experience (b) Do the assumptions about the error terms seem reasonable in light of the residual plot? O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions do not appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions do not appear reasonable. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions appear reasonable. • The plot suggests curvature in the residuals indicating that the error term assumptions appear reasonable.

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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