Kwame is studying the time it takes members of his gym to travel to the gym.
He stands by the door of the gym in the morning and asks the first 40 members as they arrive how long their journey was.
State the sampling method Kwame used.
State and briefly describe an alternative method of non-random sampling Kwame could have used to obtain a sample of 40 members.
Practise Edexcel AS Level Maths Data Collection with exam-style questions for AS Level Maths. 4 questions covering Populations and Samples, Sampling, Non-Random Sampling, Types of Data, and The Large Data Set, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.