Listed below are the arrival delay times (in minutes) of ran¬domly selected American Airline flights from New York’s JFK airport to Los Angeles (LAX). Negative values correspond to flights that arrived early before the scheduled arrival time, and positive values represent lengths of delays. Based on these very limited results, what do you conclude about the on-time performance of American Airlines? (The data are from the Bureau of Transportation, and more data are listed in Data Set 15 in Appendix B.)
-15 -18 -32 -21 -9 -32 11 2