Answer:
c. Interval or ratio
Step-by-step explanation:
There exists the following measurement scales:
Nominal: A variable is linked to a number. For example, Buffalo Bills players, 27 is Tre'Davious White, 49 Tremanine Edmunds, and then on...
Ordinal: Ranks the intensity of something. For example, grading some pain on a 1 to 10 scale.
Interval or ratio: Represents quantity and has an equality of units. One example is the rates of unemployment.
Descriptive: Tries to attribute qualities to quantitative data. For example, rates of unemployment being classified as very low, low, medium, and then on...
So the correct answer is:
c. Interval or ratio