Problem#6: The Transactional Records Access Clearinghouse at Syracuse University reported data showing the chance of an Internal Revenue Service (IRS) audit. The data in file IRSAudit show the average adjusted gross income reported (in $ thousands) and the percent of the returns that were audited for 20 selected IRS districts.

Adjusted Gross Percent District Income Audited Los Angeles 36,664 1.3 Sacramento 38,845 1.1 Atlanta 34,886 1.1 Boise 32,512 1.1 Dallas 34,531 1 Providence 35,995 1 San Jose 37,799 0.9 Cheyenne 33,876 0.9 Fargo 30,513 0.9 New Orleans 30,174 0.9 Oklahoma City 30,060 0.8 Houston 37,153 0.8 Portland 34,918 0.7 Phoenix 33,291 0.7 Augusta 31,504 0.7 Albuquerque 29,199 0.6 Greensboro 33,072 0.6 Columbia 30,859 0.5 Nashville 32,566 0.5 Buffalo 34,296 0.5