A gym wants to find out what its members think about the gym's opening times and decides to carry out a survey.
Suggest a suitable sampling frame for the survey.
Identify the sampling units.
The gym decides to ask the first 20 members that come into the gym one morning to complete the survey.
State the sampling technique the gym used.
Give one advantage and one disadvantage of this technique.
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.