please solve and explain this question Regression Diagnostics and Pitfalls Probl

Question

please solve and explain this question

Regression Diagnostics and Pitfalls Problem1 A: residuals have nonzero mean B: residuals have trend C: data have nonlinear association D: data are heteroscedastic E: regression looks fine F: regression is a poor summary of the data Select those attributes that can be inferred from the following residual plot (select all that apply). (Q1)G regression went wrong Problem 1: interpret this residual plot 300 200 100. 100 -200 300 -400 -500 10 6 2 10 r:-0.20 x = 8.54 y =-227.67

Explanation / Answer

in the residual plot, plotted points are parallel to the X axis and perpendicular to '0' to the Y axis. In this case Regression model is valid and predictable.

so

B

D

E

options are correct

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