Practice question

A student counts vehicles for only five minutes on one quiet Sunday. What is the main evaluation problem?

  1. The sample may be too small and unrepresentative of typical traffic
  2. Five minutes is always longer than needed for any study
  3. Sunday data is automatically invalid in all cases
  4. Traffic counts never need time records

Answer: A — The sample may be too small and unrepresentative of typical traffic

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Practice more: CCEA GCSE MVRUS Practice Questions - CCEA GCSE Motor Vehicle and Road User Studies (2017) (Northern Ireland) Exam →