Categories of nominal level variables should be
A)mutually exclusive to avoid ambiguity in classifying cases.
B)exhaustive so that every case fits into a category.
C)relevant to the research goals.
D)all of these

Question

Quizplus · Accepted Answer

Nominal level variables should be mutually exclusive, so that each case can be classified into only one category and exhaustive, meaning that every case must fit into one category. Additionally, the categories should be relevant to the research goals to have meaningful analysis. Therefore, all of these requirements should be met for nominal level variables.

Categories of Nominal Level Variables Should Be