Last week, ~~149~~ 150 brave calcunauts took exam 4. The mean is 66.9 and the quartiles are 56, 67.5, and 80.25. This was a difficult exam for many people but, overall, results are comparable to those from recent semesters:

Fall 2016: mean 70.3, quartiles 61, 74, and 84.

Spring 2016: mean 63.8, quartiles 54, 65, 76.