Dependent Variable: Number of eggs from chickens in 7 days.
Treatments: All combinations of 2 types of water supply, and 3 diets.
Exp. Material: 6 chicken houses are available, each with 60 cages. Each cage can get a different water supply and diet, and produces one egg count observation. Thus maximum observations are 6 houses * 60 cages = 360.
Concerns: The chicken houses are expected to differ in egg production, due to environmental conditions.