Question: (c) Using these data, the following model was estimated for each of the 12 SKUs/brands: In(S;) =a; - ; In( PR) + _ B; In(P;

(c) Using these data, the following model was estimated for each of the 12 SKUs/brands: In(S;) =a; - ; In( PR) + _ B; In(P; ) + y.; Plat - Ey,PI; jA j A See the attached SAS output files. Describe the fit of the model for each brand. Note that all analysis in this exercise are done at the SKU level (that is, for each specific brand-size combination). The parameter estimates can be seen in the SAS output file. The notation is

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