| American Chemical Society | |||||
| Division of Chemical Education | |||||
| Composite Norms | |||||
Second Term General Chemistry Paired-Questions Exam 2007 Updated - August 2009 |
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| Score | Percentile | Score | Percentile | Score | Percentile |
| 40 | 100 | 26 | 76 | 12 | 8 |
| 39 | 100 | 25 | 72 | 11 | 5 |
| 38 | 99 | 24 | 68 | 10 | 3 |
| 37 | 99 | 23 | 63 | 9 | 2 |
| 36 | 98 | 22 | 58 | 8 | 1 |
| 35 | 97 | 21 | 53 | 7 | 0 |
| 34 | 96 | 20 | 48 | 6 | 0 |
| 33 | 94 | 19 | 42 | 5 | 0 |
| 32 | 93 | 18 | 36 | 4 | 0 |
| 31 | 91 | 17 | 30 | 3 | 0 |
| 30 | 88 | 16 | 25 | 2 | 0 |
| 29 | 86 | 15 | 20 | 1 | 0 |
| 28 | 83 | 14 | 15 | ||
| 27 | 79 | 13 | 11 | ||
| Mean | 21.11 | ||||
| Std deviation | 6.78 | ||||
| Median | 20.0 | ||||
| KR-21 rel | 0.80 | ||||
| Std error/meas | 3.01 | ||||