Which of the following is an example of a variable measured at the ratio level of measurement?
A) Income in dollars
B) An index of depression with a potential range of 10 to 100
C) A person's ethnicity
D) Military rank
E) Socioeconomic status measured as high, medium, and low

Question

Quizplus · Accepted Answer

Income in dollars is measured at the ratio level of measurement because it has a true zero point (i.e. zero dollars means no income). This allows for meaningful comparisons such as one person earning twice as much as another person.

Which of the Following Is an Example of a Variable