50-70% of your final marks is based on coursework throughout the year........so if your are a slacker, you may not do well.....

as to difficulty, even if there is any significant difference between the 2, moderation of marks nationwide in oz in the formulation of your ter score will erase any difference.......

ie, if one exam cohort is 'easier' and more students get higher marks, when the bell-shaped curves are merged, you will be marked down, and will be given a lower ter.......