Exam I results

FYI, the exam average was 76%, with a standard deviation of 14.5%. This means there will little scaling, you all did pretty well. The A/B/C/D/F cut-offs will have to be adjusted slightly, I will give out the details on that on Tuesday.

For now, here are some plots showing the number of people that got each question right, and the histogram of scores. Clearly, questions 2, 9 and 14 were tougher than the rest, followed closely by numbers 16, 1, and 21 (in that order). On the other hand, you totally owned question 6, which was a nice surprise to me. The last question in the list is the bonus, which a bit more than 3/4 of you got right.


The histogram doesn't tell me much except the class is roughly divided into two groups ...


Full detailed solutions will follow this weekend.