Question: Treating the data as samples from larger populations, test the claim that there is a difference between the mean departure delay time for Flight 3

Treating the data as samples from larger populations, test the claim that there is a difference between the mean departure delay time for Flight 3 and Flight 21.
Refer to the following list of departure delay times (min) of American Airline flights from JFK airport in New York to LAX airport in Los Angeles. Assume that the data are samples randomly selected from larger populations.

Flight 3 Flight 19 19 Flight 2118 3 -4 -4 73 60 142 47 13

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