Appendix Table 2 Spearman Rank Correlation Coefficients
Excel | CSV
| 1993-2001 |
0.79 * |
|
0.53 |
|
| 1994-2001 |
|
0.83 * |
|
0.45 |
| 1993-2000 |
0.77 * |
|
0.74 * |
|
| 1994-2000 |
|
0.78 * |
|
0.61 |
Key: OAI =
Office of Airline Information; OST = Office of the Secretary of
Transportation.
Notes: For columns 1 and 3, profit data were obtained from
TranStats. For columns 2 and 4, profit data (for Majors) were obtained from Airline Quarterly Financial Review (various issues).
* Significant at the 95 percent level. There is a 5% chance of
concluding that a positive or negative association exists when in fact it
does not.
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