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 the above

Question

Quizplus · Accepted Answer

Nominal level variables should be mutually exclusive to avoid any confusion in classifying cases. They should also be exhaustive so that every case can fit into a category. Furthermore, the categories of nominal level variables should be relevant to the research goals to ensure that the study is focused and stays on track with its objectives. Therefore, all of the above statements are correct, and D is the best answer option.

Categories of Nominal Level Variables Should Be