The article An Assessment of the Effects of Treatment,
Chapter 11, Problem 11.36(choose chapter or problem)
The article An Assessment of the Effects of Treatment, Time, and Heat on the Removal of Erasable Pen Marks from Cotton and Cotton/Polyester Blend Fabrics (J. Testing and Eval., 1991: 394397) reports the following sums of squares for the response variable degree of removal of marks: SSA 39.171, SSB .665, SSC 21.508, SSAB 1.432, SSAC 15.953, SSBC 1.382, SSABC 9.016, and SSE 115.820. Four different laundry treatments, three different types of pen, and six different fabrics were used in the experiment, and there were three observations for each treatmentpenfabric combination. Perform an analysis of variance using .01 for each test, and state your conclusions (assume fixed effects for all three factors).
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