Anecdotally, the course I grade has this effect (just looking at the average score). I have been grading this course from last 5 years(9-10 times). Last names w

Anecdotally, the course I grade has this effect (just looking at the average score). I have been grading this course from last 5 years(9-10 times). Last names with L-Z score slightly more than A-L.