A local authority wishes to estimate the proportion of its 18 400 residents who use a public park at least once a week. It obtains a simple random sample of 200 residents, of whom 86 say that they use the park at least once a week.
State the population.
State the sample.
Use the sample to estimate the percentage of residents who use the park at least once a week.
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.