Dr Armstrong Compared Two Textbooks

Multiple Choice

Dr. Armstrong compared two textbooks. He counted the word "he" 80 times in Book A and 20 times in Book B. He also found Book A contained the word "chairman" 40 times while it only appeared 10 times in Book B. He can conclude

A) students using Book A will become more sexist than those using Book B.
B) the words "he" and "chairman" appeared four times more often in Book A than in Book B.
C) a teacher who chooses Book A is more sexist than one who chooses Book B.
D) Book A is four-times more sexist than Book B.