Classify the data in Question 1 as primary or secondary data.
Data in question 1 can be classified as primary or secondary as follows:
(i) Age of my family members. (Primary Data)
(ii) Names of all the students of my class. (Primary Data)
(iii) Average annual rainfall in my city from newspapers. (Secondary Data)
(iv) Heights of all my close friends. (Primary Data)
(v) Collecting email addresses of all my close relatives. (Primary Data)