A business has 150 employees listed in alphabetical order. It chooses a random starting position from 1 to 5 and then selects every fifth employee until 30 employees have been chosen.
State the sampling technique.
Explain two features that make the procedure appropriate for a systematic sample.
Give one circumstance in which this method could produce an unrepresentative sample.
36 exam-style questions on OCR A Level Maths 2.1 Statistical Sampling, covering 2.1.1 Population and sample, 2.1.2 Informal inferences from samples, 2.1.3 Sampling techniques, 2.1.4 Selecting or critiquing sampling techniques, and 2.1 Statistical Sampling. Each one has a worked solution and a mark scheme showing where the marks go.