Tourists visiting Croatia are asked to participate in a survey, consisting of various questions regarding their experience during their trip, which have been provided below. For each question, describe the type of data obtained.
a. Which of the following areas did you visit? 

Coast
Islands
Mountains
Zagreb (Croatia’s capital)
b. Did you rent the sailing boat?
Yes
No
c. What was the average amount you spent on food per day?
d. What is the optimal number of days you would recommend a tourist spends in Croatia?
e. How often would you recommend visiting Croatia?
a. Every year 

b. Once in a five years 

c. Once in a lifetime d. never