Which of the Following Pairs of Variables Should Produce a Negative

Multiple Choice

Which of the following pairs of variables should produce a negative relationship?

A) model year (2003,2004,etc.) and price for a used Honda
B) driving distance from college and weekly cost of gas for a group of commuting college students
C) number of hours studying and number of errors on a math exam
D) IQ and weight for a group of third-grade students