What level of measurement is a variable asking students to tell us how many college credits they have completed?

Question

Quizplus · Accepted Answer

The variable asking students to tell us how many college credits they have completed is an example of a ratio level of measurement. This is because this variable has a true zero point (a person can have zero college credits) and the data can be meaningfully compared using ratios (for example, a person with 60 credits has twice as many as a person with 30 credits).

What Level of Measurement Is a Variable Asking Students to Tell