Question

194 6 My boss has just asked if my recent regression analysis on political success meets the assumptions of linear regression. I assessed 50 politicians on their speech writing skills and compared it against their election success. Worryingly, my dog ate my data plot and my computer is out of battery - but I do have these plots of residual analysis to hand. What is my conclusion? 1 OO 0 Studentized Residuals -1 100 -2 OF 40 50 60 70 80 Fitted Values 0.12 0.08 0.10 Leverage 0.06 0.04 0.02 60 80 dat$X

Answer 1

Soluhon! a) b) C) d) e) +) g) The data is fine. Nothing to worry about. the assumption of linearity it broken. The assumphion of independence H broken. the allumph'in of normal residuals it broken. the assumption of equal variance is broken. There ale influential out liels There are multiple things wrong with the data Answelli The option - A is correct la. The data is fine. Nothing to worry about Scanned with CamScanner