Question: The data set in DS 11.2.3 concerns the brightness measurements for b = 7 batches of kaolin processed through k = 3 calciners. (a) Use

The data set in DS 11.2.3 concerns the brightness measurements for b = 7 batches of kaolin processed through k = 3 calciners.
(a) Use the Friedman test procedure to investigate whether the calciners are operating with different efficiencies.
(b) Repeat the analysis using an analysis of variance table.

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