hi, i don't think its possible that the person, in question who got 68.5 and 75 got a 49 unless their sac marks were quite ordinary. I go to a pretty strong school in Scotch and ive been told that the person who got a 50 last year got 63.5 in eexam 1 73.5 in exam 2 and 190/200 RAW in sacs which probably MODERATED to 198/199 out of 200. THe next highest score was a 47, with 68.5 in exam 1 61.5 in exam 2 and 196 RAW in sacs probably moderated to 200. A teacher, who is an assesor told me that its better to smash an exam , and perhaps do poorly in another than do "alright" in both. All of this statistical moderation stuff, i guess.
One more question, what would you guys think would be a high A+ on this years bio, above 66-67?