A music festival surveys the first 100 people leaving through the main gate after the final performance. Of these, 82 say that they would attend the festival again.
Use the sample to estimate the percentage of all festival attendees who would attend again.
Give three distinct reasons why the estimate may not represent all attendees.
Describe a sampling design that would address two of the weaknesses identified in part (b).
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.