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WAEC Data Processing 2015 Question 4

Question 4

Data and Information

Which of the following is not a source of data collection?

  1. A.Observation
  2. B.Interview
  3. C.Questionnaire
  4. D.Classification
Show the answer and explanation

Answer: D (Classification)

Explanation

Observation, interviews and questionnaires gather data; classification is a way of organising data already collected.