If a categorical independent variable contains two categories,then ___________ dummy variable(s)will be needed to uniquely represent these categories.
A) 1
B) 2
C) 3
D) 4

Question

Quizplus · Accepted Answer

A single dummy variable is needed to represent two categories in a categorical independent variable. The dummy variable will take on a value of 0 or 1 for each category, indicating whether the observation belongs to that category or not.

If a Categorical Independent Variable Contains Two Categories,then ___________ Dummy