This is a 8x3x5 ANOVA table with the dependent variable being the hardness of a dental gold filling. There were eight different gold alloys, three different methods of preparation and five different dentists who prepared the filling .
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A matrix of size 120 x 4
Towards robust analysis of variance. Seheult, A.H. and Tukey, J.W. In Saleh, A.K.M.E., editor, Data Analysis from Statistical Foundations: A Festschrift in Honor of the 75th Birthday of D.A.S. Fraser, (2001), 217--244.