Home › CBSE Class 11 (Arts) › Economics › Collection, Organisation and Presentation of Data › Which instrument is most commonly used to collec…
Which instrument is most commonly used to collect data in surveys?
AQuestionnaire form
BFrequency curve
CRandom number list
DComponent bar chart
Answer & Solution
Correct answer: A. Questionnaire form
Surveys usually rely on a questionnaire or interview schedule, either self administered or filled in by an enumerator.
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