The Following Two Statements Refer to the Types of Variables

Multiple Choice

The following two statements refer to the types of variables used in a segmentation study.
I.When conducting a segmentation study,demographics must always be used
As a classification variable.
II.When conducting a segmentation study,psychographics must always be used
As a descriptive variable.
Which,if any,of these statements is (are) true?

A) I only
B) II only
C) I and II are both true
D) Neither I nor II are true