1b. The five population mean final weights you defined in part la correspond to the full model with 5 means, HH, ML, AS, AM, and Ac. This full model has a mean for each of the five rations (protein sources). In this assignment we will use a model comparison F-test to compare this full model to a reduced model with 3 means, UH, uv, and MA. In this model we assume that un = us and use wy ( vegetable) to denote the mean for the alternative vegetable sources of protein. We also assume that AM = /c and use MA (animal) to denote the mean for the alternative animal sources of protein. Provide a description in words giving your interpretation of the restrictions imposed on the full model with 5 means which lead to this reduced model with 3 means. These restrictions define the null hypothesis, Ho : UL = us and AM = PC for the model comparison F-test