A researcher asks people to indicate their area code (408, 510, 415, etc.) This variable may best be described as being measured at the ______ level of measurement.
A) nominal
B) ordinal
C) interval
D) ratio

Question

Quizplus · Accepted Answer

The area code is a categorical variable with no inherent order or numerical value. It is simply a way of grouping individuals or locations. Therefore, it is measured at the nominal level of measurement.

A Researcher Asks People to Indicate Their Area Code (408