Midterm grades, revised

We found an error in the exam, which gives an extra 2.5 points to nearly all of you. That changes three of the grades. Here are the updated results: 

15501 -- B

15502 -- B

15503 -- B

15504 -- C

15505 -- A

15508 -- D

15509 -- B

15512 -- A

15513 -- C