Answer: IV. Gender
Step-by-step explanation:
A categorical variable is a variable that has two or more categories.
Driver ID consists of numbers and alphabet and it has no category.
Age is expressed in numbers , it cannot be categorical.
Car has many types but not category.
Gender has mainly 2 categories as male and female (some times 3 if we include transgender)
So, Gender is a categorical variable.
So correct option is IV. Gender
