For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.
-a is the number of years of formal education of an adult living in the United States, and b is his or her age in years.
A) a is a function of b
B) Neither
C) Both
D) b is a function of a

Question

Quizplus · Accepted Answer

The number of years of formal education (a) is not uniquely determined by age (b), nor is age uniquely determined by the number of years of formal education. Therefore, neither variable is a function of the other.

For the Given Pair of Variables Determine Whether a Is