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Description of the Project: A food company wished to test four different package designs for a new breakfast cereal in twenty stores, with approximately equal sales volume. Each store was randomly assigned one of the package designs, with each package design assigned to five stores. A fire occurred in one store during the study period, hence one of the designs was tested in only four stores. The stores were chosen to be comparable in location and sales volume. Other relevant conditions that could effect sales, such as price, amount and location of shelf space, and special promotion efforts were kept the same for all stores. Sales, in number of cases, were recorded. The variables in the data set are:
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