Question 5
For each of the given situations in the subquestions , what sampling method is optimal?
A retail chain that sells consumer durables wants to find out how satisfied its customers are and if they will come back to the stores. The company wants a sample size of 500 customers selected in such a way as to ensure proportionate representation to buyers of TV, buyers of washing machines etc.
Multistage cluster sampling
Stratified sampling
Quota sampling
Systematic sampling
Convenience sampling