STAT 4220 HW7 - -20-10102030405-44-34-25-13-195%...

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Unformatted text preview: -20-10102030405-44-34-25-13-195% family-wise confidence levelDifferences in mean levels of factor(d)Austin WenStat 4220 HW71.a.ANOVADf Sum Sq Mean Sq F value Pr(>F) factor(a) 4 125.2 31.3 1.5343 0.2806 factor(b) 4 167.2 41.8 2.0490 0.1800 factor(c) 43424.8 856.2 41.9706 2.062e-05 ***factor(d) 4 2857.6 714.4 35.0196 4.075e-05 ***Residuals 8 163.2 20.4 (A vs B), (A vs C), (A vs E), (B vs C), (B vs D), (C vs D), and (C vs E) are significantly different than the others using Tukey method with 95% confidence.b.According to the ANOVA table above, there are two factors are not significant: day and operator. Theoretically, we can remove these two significant factors and replace them by the interaction C x D if the interaction between C and D is significant and enough degrees of freedom. However, the degrees of freedom is not enough for us to conduct CD interaction.0.81.01.21.41.6-0.15-0.050.050.15Residual Ploty^Residual2....
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STAT 4220 HW7 - -20-10102030405-44-34-25-13-195%...

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