Solved: The true mean mpg lower for the ford expedition, Basic Statistics

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The true mean mpg lower for the ford expedition

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Q: The average mpg usage for a 2004 Ford Expedition 2WD for a sample of 10 tanks of gas was 17.0 with the standard deviation of 0.8. For a Ford Explorer 2WD, the average mpg usage for a sample of 10 tanks of gas was 18.5 with a standard deviation of 1.0. (a) Assuming equal variances, at a (alpha) = .01. is the true mean mpg lower for the Ford Expedition? (b) Calculate p-value using Excel.

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Basic Statistics: The true mean mpg lower for the ford expedition

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