Complete parts (a)-(i) of Problem 11.1.11 for the data set in DS 11.1.2.
(a) Calculate the sample averages 1,
(b) Calculate the overall average ...
(c) Calculate the treatment sum of squares SSTr.

(e) Calculate the total sum of squares SST.
(f) Calculate the error sum of squares SSE.
(g) Complete the analysis of variance table. What is the p-value?
(h) Compute confidence intervals for the pairwise differences of the factor level means with an overall confidence level of 95%.

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Σ Σ i=1