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Cornwall and Hudson, a large retail department store, wants to handle just one brand of high-quality CD player. The list has been narrowed to two brands: Sony and Panasonic. To help make a decision, a panel of 16 audio experts met. A passage using Sony components (labeled A) was played. Then the same passage was played using Panasonic components (labeled B). A “1” in the following table indicates an individual’s preference for the Sony components, a “2” indicates preference for Panasonic, and a 0 signifies no preference.
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Conduct a test of hypothesis at the .10 significance level to determine whether there is a difference in preference between the two brands. |
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