Question

2]Which of the following is the example of secondary data?
A] Data of industries of Gujarat used by researcher
B) Data of birth rates pubished by office of the Registrar General
C Data collected by NSSO
D] Data of the population cencus by indian government
reportion of Male and Female is​

Answer 1

Answer:

A. data of industries used by researcher

Explanation:

bcz it is collected by some one else and used by some one else