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2005 Grade Distributions
| Examination Grade | Biology | |
|---|---|---|
| N | % At | |
| 5 | 22,055 | 18.2 |
| 4 | 24,448 | 20.1 |
| 3 | 27,820 | 22.9 |
| 2 | 28,357 | 23.3 |
| 1 | 18,766 | 15.5 |
| Number of Students | 121,446 | |
| 3 or Higher / % | 74,323 | 61.2 |
| Mean Grade | 3.02 | |
| Standard Deviation | 1.33 | |