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2005 Grade Distributions
| Examination Grade | Calculus AB | |
|---|---|---|
| N | % At | |
| 5 | 38,539 | 20.7 |
| 4 | 36,347 | 19.5 |
| 3 | 33,006 | 17.7 |
| 2 | 31,141 | 16.7 |
| 1 | 46,959 | 25.2 |
| Number of Students | 185,992 | |
| 3 or Higher / % | 107,892 | 58.0 |
| Mean Grade | 2.94 | |
| Standard Deviation | 1.48 | |