Essay
Average Fuel Consumption
The average fuel consumption of a 4-wheel drive truck is 12.9 L/100 km. The average fuel consumption for seven randomly selected trucks is 13.5, 13.0, 12.6, 12.2, 12.8, 12.9, and 13.1. Assume the fuel consumption distribution is normal. The researcher wishes to know if the sample data suggest that the average fuel consumption is different from 12.9 L/100 km.
-Please refer to the Average Fuel Consumption paragraph. Compute the test statistic for the hypotheses in the previous question.
Correct Answer:
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The sample mean is 
= 12.871, ...View Answer
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Correct Answer:
Verified
= 12.871, ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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