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Toyota USA is studying the effect of regular versus high-octane gasoline on the fuel economy of its new high-performance, 3.5-liter, V6 engine. Ten executives are selected and asked to maintain record...
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Suppose that the sales manager of a large automotive parts distributor wants to estimate the total annual sales for each of the company’s regions. Five factors appear to be related t...
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Nine observations were randomly selected from population A and eight observations were randomly selected from population B. The populations are not normally distributed. Use the .05 significance level...
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