Question 26
For each of the given situations, what sampling method is optimal in the subquestions
A retailer wants to do a study over phone among those who have bought earlier but have not come back in the last two years. They have a list of all such lapsed customers with their name and phone number. The required sample size is 300 customers.
Multistage cluster sampling
Stratified sampling
Quota sampling
Systematic sampling
Convenience sampling