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A researcher wishes to determine whether Toyota Corollas use more gas than Honda Civics after 10,000...

A researcher wishes to determine whether Toyota Corollas use more gas than Honda Civics after 10,000 miles of use. Use the computer output below to test the claim at a 1% significance level that Corollas use more gas on average than Civics (Note: we made the comparison: μcorolla - μcivic).

test stat, df, p-value, mean dif, st. error,
2.67, 44, 0.005, 4.38, 1.92

Math   Statistics-And-Probability   
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