HW4_STA5166_#4

HW4_STA5166_#4 - Problem 4 a) Plot the data. What kind of...

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Problem 4 a) Plot the data. What kind of experimental design is this? Divided the run into 8 blocks which includes 4 treatments each. CODE #renumber runs 8 blocks of (1-4) Prob4.4=read.table(file="E:/FSU-FALL07-School/Fall07-school/STA5166/BHH2-Data/prb0404- 3.txt", header=TRUE) Prob4.4 plot(Prob4.4$run, Prob4.4$result) plot(Prob4.4$variant, Prob4.4$result) fit1=aov(result~ factor(run) + variant, data=Prob4.4) plot(fit1$fitted, fit1$resid)
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b) Make the ANOVA and a graphical ANOVA ANOVA Call: aov(formula = result ~ variant + factor(run), data = Prob4.4) Terms: variant factor(run) Residuals Sum of Squares 254.3750 59.1457 406.3543 Deg. of Freedom 3 7 21 Residual standard error: 4.398886 Estimated effects may be unbalanced Df Sum Sq Mean Sq F value Pr(>F) variant 3 254.38 84.79 4.3820 0.01519 * factor(run) 7 59.15 8.45 0.4367 0.86800 Residuals 21 406.35 19.35 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
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c) Estimate the mean, with confidence interval, for the four possible process conditions
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This note was uploaded on 12/14/2011 for the course STAT 5166 taught by Professor Staff during the Fall '11 term at FSU.

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HW4_STA5166_#4 - Problem 4 a) Plot the data. What kind of...

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