As of 12/15, the overall cumulative average for those
 students who have 20% on each part of the course is 80.10.

 The solid red lines on the histogram indicate the
 approximate locations of the A, B, and C cutoffs
 for this year given the current value of the class
 average; the final cutoffs may be different from
 these.  The final histogram will include cutoffs
 for plus-minus grades, but I will not try to predict
 the locations of those cutoffs.  Thanks.  GBA