Write your name, student ID number, and the exam version on your Scantron form.
Scantron forms without a student ID number or without an exam version number will not be
graded—you will receive an F on the midterm if you omit either.
Write your name and SID on this exam.
Return this exam with your Scantron form.
Sign the top of the scantron form to confirm "I swear I did not cheat on this exam, nor did I help
anyone else to cheat."
.
The next three problems refer to the same artificial data set.