This question has been repeatedly asked and has yet to receive an answer, but if you begin to take a closer look the reasons become apparent.

FORBES: Fannie And Freddie Have Powerful Buddies And That Ensures No Real Reform

The students learned that they would each receive a Scrabble dictionary to check their work, after which they would fill out an answer sheet to report their performance.

FORBES: The Importance of Telling Employees 'Don't Do That'