Question

Assertion (A) : A pilot survey is a tryout survey covering a wide range of
Universe of the study taken by the investigator.
Reason (R): This helps the investigator to assess the quality of the questionnaire
and the way respondents respond to the set of the question.

Answer 1

Answer:

. Secondary data is collected by someone else and used by the investigator.

Explanation

The secondary data is the data that is not directly collected by the investigator rather it had been collected by someone else in the past and is later used by the investigator.