With rising fuel costs, the amount of time it takes for an airliner to taxi from
ID: 2954800 • Letter: W
Question
With rising fuel costs, the amount of time it takes for an airliner to taxi from the departure gate to takeoff is a concern. Data File ATL Taxi times gives taxi times for random samples of 100 flights in July 2000 and in July 2007 at the Atlanta Hartsfield Airport. Construct a 95% confidence interval estimate of the mean taxi time at the Atlanta airport in July 2000. Construct a 95% confidence interval estimate of the mean taxi time at the Atlanta airport in July 2007. Based on your answers to parts a and b, can you conclude that taxi times increased between 2000 and 2007 at the Atlanta Airport?Explanation / Answer
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