Question: The data set in DS 11.1.7 is a one-way layout to compare the quality scores of a product made from five different treatment methods. (a)

The data set in DS 11.1.7 is a one-way layout to compare the quality scores of a product made from five different treatment methods.
(a) Construct the ANOVA table.
(b) Construct pairwise comparisons of the treatment effects and make a graphical presentation of what you find. Which treatment mean is largest? Which treatment mean is smallest?

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