STAT 4220 HW4

# STAT 4220 HW4 - -2-112Plot of residual vs factor WenHW#41.a...

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Unformatted text preview: -2-112Plot of residual vs factor levelsCuckooResidualMDWPTRPHGSPRWRBNPWGTLWRENAustin WenHW #41.a) ANOVA tableDf Sum Sq Mea Sq F value Pr(>F) x 5 42.940 8.5879 10.388 3.152e-08 ***Residuals 114 94.248 0.8267 ---Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1b) Residual vs Factor level Plotc) According to the residual vs factor levers plot, all the residuals are equally scatter across zero; therefore, we can conclude that the samples fulfilled the assumption of randomization, and the errors are identically and independently distributed.-2-112Plot of residual vs factor levelsCuckooResidualMDWPTRPHGSPRWRBNPWGTLWRENd) Boxplote) In part d, we conclude that the residuals are equally scattered around zero, and in the boxplot we can see that the mean of residuals are also around zero. Therefore, we can draw the conclusion which the samples are random with the identically and independently distributed error....
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STAT 4220 HW4 - -2-112Plot of residual vs factor WenHW#41.a...

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