Airlines have increasingly outsourced the maintenance of their planes to other companies. A concern voiced by critics is that the maintenance may be less carefully done, so that outsourcing creates a safety hazard. In addition, flight delays are often due to maintenance problems, so one might look at government data on percent of major maintenance outsourced and percent of flight delays blamed on the airline to determine if these concerns are justified. This was done, and data from 2005 and 2006 appeared to justify the concerns of the critics. Do more recent data still support the con
Airlines have increasingly outsourced the maintenance of their planes to other companies. A concern voiced by critics is that the maintenance may be less carefully done, so that outsourcing creates a safety hazard. In addition, flight delays are often due to maintenance problems, so one might look at government data on percent of major maintenance outsourced and percent of flight delays blamed on the airline to determine if these concerns are justified. This was done, and data from 2005 and 2006 appeared to justify the concerns of the critics. Do more recent data still support the concerns of the critics?
Data from 2014 is in the given table.
| Airline | Alaska | American | Delta | Frontier | Hawaiian |
JetB1 Ue |
South west | United | U.S Airways |
| Outsource Percent | 51.0 | 29.4 | 36.7 | 46.3 | 78.4 | 68.4 | 58.2 | 52.6 | 54.3 |
| Delay Percent | 10.3 | 20.3 | 14.48 | 21.42 | 5.06 | 19.93 | 28.47 | 23.46 | 13.68 |
Select the
(B) Select the statement that correctly explains whether or not more recent data still support the concerns of the critics.
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