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Unformatted text preview: of treatment 3 are definitely higher than those of treatment 1. However we are unclear about treatment 2's comparisons. ANOVA rce of Varia SS df MS F P-value F crit Between G 1488 2 744 5.5 0.02 3.68 Within Gro 2030 15 135.33 Total 3518 17 SST = Sum of Squares " treatments " = SUM [n j *(xbar j- xdoublebar)^2], j=1,2,3 MST = SST/(k-1) , where k=number of treatments -- Mean Squared Treatment differences SSE = Sum of Squares -- Errors for all three samples = Sum [(n j-1)*s j ^2], j=1,2,3 MSE = SSE/(n-k) where n = n1+n2+n3. (Here, n=20+20+20=60) -- Mean Squared Error Differences If Ho is true, this ratio has the F distribution with df 1 =k-1 and df 2 =n-k...
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This note was uploaded on 03/31/2011 for the course STATS 211 taught by Professor Dunne during the Spring '07 term at University of Dayton.
- Spring '07