|  | Old style teaching (n = 168) | New style teaching (n = 157) |
---|---|---|---|
Age | mean (sd) | 21.1 (3.7) | 20.7 (4.3) |
 | median (min to max) | 20 (19 to 39) | 19 (17 to 39) |
 | % missing | 5.3 | 5.1 |
Sex (%) | male | 29.3 | 38.9 |
 | female | 67.3 | 56.7 |
 | missing | 3.6 | 4.5 |
Level of previous statistics knowledge (%) | none | 5.4 | 5.1 |
 | GCSE (age 16 years) | 34.5 | 33.1 |
 | AS level (age 17 years) | 17.9 | 14.0 |
 | A level (age 18 years)* | 39.3 | 40.8 |
 | Degree (non-statistics) | 3.0 | 7.0 |