Answer:
a) Categorical
b) Quantitative
c) Categorical
d) Quantitative
Step-by-step explanation:
A variable can be classified as qualitative or quantitative.
Qualitative(Categorical):
When the possible values of the variables are labels, for example, good or bad, yes or no,...
Quantitative:
When the possible values of the variables are numbers, for example 1, 2, 1000,....
A) Does the computer come with a USB port?
The possible answers are: yes or no, so it is a categorical variable
B) What is the hard drive size of the computer?
The answer is a number, so it is a quantitative variable.
C) Is the computer a laptop or a desktop model?
The possible answers are: yes or no, so it is a categorical variable
D) How much does the computer cost?
The answer is a number, so it is a quantitative variable.