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2006 Grade Distributions
| Examination Grade | Biology | |
|---|---|---|
| N | % At | |
| 5 | 25,862 | 19.6 |
| 4 | 26,809 | 20.3 |
| 3 | 27,897 | 21.2 |
| 2 | 30,642 | 23.3 |
| 1 | 20,573 | 15.6 |
| Number of Students | 131,783 | |
| 3 or Higher / % | 80,568 | 61.1 |
| Mean Grade | 3.05 | |
| Standard Deviation | 1.36 | |