Frank wants to find out how much time students in his school spend listening to music.
He asks students entering the school until he has asked 25 boys and 25 girls.
Write down the name of the sampling method Frank has chosen.
Give one advantage and one disadvantage of this sampling method.
23 exam-style questions on Edexcel AS Level Maths Data Collection, covering 1.1 Populations and Samples, 1.2 Sampling, 1.3 Non-Random Sampling, 1.4 Types of Data, and 1.5 The Large Data Set. Each one has a worked solution and a mark scheme showing where the marks go.