At an International Conference on Education, Delegates Were Asked to Answer

Short Answer

At an international conference on education, delegates were asked to answer the following questions:
a) What $\textbf{ country }$ are you from?
b) What $\textbf{ distance }$ did you travel to get to the conference?
c) What is the $\textbf{ highest level of education }$ you have completed?
d) What is your $\textbf{ age? }$
Classify the variables in bold as either quantitative or categorical.