The Edit Scores row allows the user to edit any student
scores for an item. An asterisk (*) may be used for any student score
to cause the score to be ignored in the calculation of the student
average (or it may simply be left blank). Blank values also do not
affect the student average. Any text added as a score (ie. inc
for incomplete) is treated as a zero for average
calculation. Blank entries remain grayed to indicate that no record
exists for that score (and does not affect average).
Comments are also entered via this button.