Question: 7. When an additive model is considered for a balanced design, the decomposition of the total sum of squares in (11.2.10) reduces to SST =
7. When an additive model is considered for a balanced design, the decomposition of the total sum of squares in
(11.2.10) reduces to SST = SSA+SSB+SSE, where SST and its degrees of freedom are still given by (11.2.9), and SSA, SSB, and their degrees of freedom are still given by
(11.2.11) and (11.2.15), respectively. Use this information to construct the ANOVA table from fitting the additive model to the data in Exercise 6 and to test the hypotheses HA 0 and HB 0 at level α = 0.05 using the additive model.
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