When data are based on a nominal scale of measurement, what measure of central tendency should be used?
A) mean
B) median
C) mode
D) variance

Question

Quizplus · Accepted Answer

When data are based on a nominal scale of measurement, a mode is the most appropriate measure of central tendency because nominal data's values are categorical and cannot be ordered or ranked. The mode refers to the most frequent value, which is a suitable measure of central tendency in nominal data. The mean and median cannot be calculated for nominal data because they are numerical measures that require ordered data. Variance is a measure of dispersion and not a measure of central tendency.

When Data Are Based on a Nominal Scale of Measurement