Question: Does the airline you choose affect when you'll arrive at your destination? The dataset DecemberFlights contains the difference between actual and scheduled arrival time for

Does the airline you choose affect when you'll arrive at your destination? The dataset DecemberFlights contains the difference between actual and scheduled arrival time for

1000

randomly sampled December flights for two of the major North American airlines, Delta Air Lines and United Air Lines. This data is pre

-

populated for you in Statkey as "Arrival Time

- 3

(

Delta vs United,

2018) " .

A negative difference indicates a flight arrived early. We are interested in testing whether the average difference between actual and scheduled arrival time is different between the two airlines.

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