Which measure of variability is used for nominal variables such as race and ethnicity?
A)Mode
B)Index of qualitative variation
C)Standard deviation
D)Stratified variance

Question

Quizplus · Accepted Answer

The index of qualitative variation (IQV) is the only measure of variability that can be used for nominal variables such as race and ethnicity. The mode is not a measure of variability, but rather a measure of central tendency. Standard deviation and stratified variance both require numerical data and cannot be used for nominal variables.

Which Measure of Variability Is Used for Nominal Variables Such