A company has 720 employees listed in order of employee number. A systematic sample of 40 employees is required.
Calculate the sampling interval.
The random starting number is 11. Write down the first five employee numbers selected.
Explain why choosing the random starting number is important.
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.