The files with suffix "dist" are distributions for points for individual items -- for example midterm.dist will contain the distribution of of points assigned for the midterm exam, and similarly final.dist will contain the distribution for the final exam.
The file
total.dist
contains the distribution of total points.
The course grade is determined by total points according to the table:
90% of possible points guarantees an A-
80% of possible points guarantees a B-
70% of possible points guarantees a C-
60% of possible points guarantees a D
These cutoffs may be lowered slightly, but they will never be raised.
At the end of the semester, the scores file will also contain course grades after the ID numbers and just before the total points.