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A marketing researcher was studying the effect of a supermarket display on sales of a new product. There were two designs for the display: the first had greater visual appeal and the second contained more factual information about the product. Each type of display could be made in three sizes: small, medium, or large. Eighteen supermarkets were available for the study, and three supermarkets were selected at random to display each combination of design and size. The number of units of the product sold over a two-week period was recorded for each supermarket. For the resulting data, a two-way ANOVA was run, with the partial ANOVA table given below. Analysis of variance for sales: What conclusion should be drawn from this test?
Constitution
Essential rules or conventional norms that dictate how a state or similar body is managed.
Republican Party
An alternative name for Republicans, emphasizing its role as one of the two major political parties in the United States, also known as the GOP (Grand Old Party).
Jay's Treaty
A 1794 agreement between the United States and Great Britain that sought to resolve outstanding issues from the Treaty of Paris (1783) and facilitated ten years of peaceful trade between the two nations.
Bank of the United States
A central bank chartered by the United States Congress at two different periods, the first from 1791 to 1811 and the second from 1816 to 1836, to handle the government's transactions.
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