It Would Be More Reasonable to Use Annual Income Data

Multiple Choice

It would be more reasonable to use annual income data as an index of economic inequality if all of the households

A) filed tax returns and thus all their income were known.
B) were different with regard to their age and size characteristics.
C) were more similar with regard to size, age, education, and other major factors that are linked to income.
D) were more similar with regard to their hair color, height, and weight.