In Example 10.11, subtract from each observation in the ith sample (i = 1,…….,6)to obta...

In Example 10.11, subtract from each observation in the ith sample (i = 1,…….,6)to obtain a set of 18 residuals. Then construct a normal probability plot and comment on the plausibility of the normality assumption. contains a very well-presented survey of ANOVA; the level is comparable to that of the present text, but the discussion is more comprehensive, making the book an excellent reference.

Ott, R. Lyman and Michael Longnecker. An Introduction to Statistical Methods and Data Analysis (6th ed.), Duxbury Press, Belmont, CA, 2010. Includes several chapters on ANOVA methodology that can profitably be read by students desiring a very nonmathematical exposition; there is a good chapter on various multiple comparison methods.