The Federal Aviation Administration (FAA) would like to determine if the average number of minutes that a plane departs late differs between airports LAX, JFK, and ORD. The following data were collected from randomly selected flights and indicate the number of minutes that each plane was behind schedule at its departure.

\fLAX JFK ORD 2 18 32 12 19 20 5 22 15 24 10 25 14 30 12 X_bar(1) X_bar(2) X_bar(3) grand mean SSA SSW SST MSA MSW F_STAT F Source of Variation SS df MS F Among Groups Within Groups Total