According to the 2020 Bureau of Transportation Statistics , 55.7% of flights arrive on-time. Of those flying Delta, 67.6% of flights arrive on time. However, only 47.0% of flights arrive on time for those flying Southwest.
-Does there appear to be an association between the airline company (Delta or Southwest) and if a flight arrives on time?
A) No, since 55.7% of all flights arrive on time.
B) Yes, since the percent of flights that arrive on time differs between airlines.
C) Yes, since the percent of flights that arrive on time for each airline is not equal to 50%.
D) Yes, since there are other airlines besides Delta and Southwest.

Question

Quizplus · Accepted Answer

The Answer is B