| American Chemical Society | |||||
| Division of Chemical Education | |||||
| Composite Norms | |||||
First Term General Chemistry Paired-Questions Exam 2005 Updated - August 2009 |
|||||
| Score | Percentile | Score | Percentile | Score | Percentile |
| 40 | 100 | 26 | 62 | 12 | 5 |
| 39 | 100 | 25 | 57 | 11 | 3 |
| 38 | 99 | 24 | 52 | 10 | 2 |
| 37 | 98 | 23 | 47 | 9 | 1 |
| 36 | 97 | 22 | 42 | 8 | 0 |
| 35 | 95 | 21 | 37 | 7 | 0 |
| 34 | 93 | 20 | 32 | 6 | 0 |
| 33 | 90 | 19 | 27 | 5 | 0 |
| 32 | 87 | 18 | 23 | 4 | 0 |
| 31 | 84 | 17 | 18 | 3 | 0 |
| 30 | 80 | 16 | 15 | 2 | 0 |
| 29 | 76 | 15 | 12 | 1 | 0 |
| 28 | 71 | 14 | 9 | ||
| 27 | 67 | 13 | 7 | ||
| Mean | 23.59 | ||||
| Std deviation | 6.93 | ||||
| Median | 23.1 | ||||
| KR-21 rel | 0.82 | ||||
| Std error/meas | 2.95 | ||||