Appendix Table 2 Spearman Rank Correlation Coefficients
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. Find this web page at:
http://www.bts.gov/publications/journal_of_transportation_and_statistics/volume_09_number_01/html/paper_01/table_01_appendix2.html |