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Mathematics, 12.08.2021 17:30 rubyhart522

Suppose that we want to decide whether a newly developed gasoline additive increases gas mileage. Experimental design:A. Randomly select 20 cars, with 10 cars driven with additive and 10 cars without additive;B. 10 cars are selected at random and the 10 cars are driven both with and without the additive.

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Suppose that we want to decide whether a newly developed gasoline additive increases gas mileage. Ex...

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