The names of 480 club members are arranged in a numbered list. A sample of 40 members is required.
Calculate the sampling interval for a systematic sample.
A random starting number from 1 to the sampling interval is 7. Write down the first three member numbers selected.
36 exam-style questions on WJEC A Level Maths 2.1 Statistical Sampling, covering 2.1.1 Statistical Sampling, 2.1.2 Statistical Sampling, 2.1.3 Statistical Sampling, 2.1.4 Statistical Sampling, and 2.1 Statistical Sampling. Each one has a worked solution and a mark scheme showing where the marks go.