These are archived statistics for NACHI's Online Inspector Examination. These statistics apply from 1/17/2005 to 5/28/2006. Older archives are available for before 1/17/2005.
| Total Number of Exams Taken: | 50539 (100%) |
| Total Number of Exams Passed: | 24529 (48.53%) |
| Total Number of Exams Failed: | 26010 (51.47%) |
| Total Number of Unfinished Exams: | 8568 |
| Exams Being Taken Right Now: | N/A |
| Required Passing Grade: | 75 |
| Average Grade: | 68.4830 |
| Average Passing Grade: | 83.7797 |
| Average Failing Grade: | 54.0572 |