Final answer:
Position ratio pertains to the ratio level of measurement, which provides meaningful data for numerical operations and comparisons, unlike nominal, ordinal, and interval levels that have limitations in these aspects.
Step-by-step explanation:
The concept of position ratio would fall under the category of ratio level of measurement. Ratio data has a natural zero point and allows for statements of magnitude. You can say that one value is twice as much as another, and mathematical operations like addition, subtraction, multiplication, and division can all be carried out on ratio data. This is different from the other levels of measurement such as nominal, which is purely categorical and does not imply any sort of quantitative relationship between items; ordinal, which implies an order but not the exact difference between items; and interval, which suggests an exact difference but not a true zero point or the ability to express one value as a multiple of another.