A large furniture retailer wants to conduct a customer satisfaction survey. Customers are divided into groups based on the amount of money they have...

What was the population of interest for the study?

The customers who responded to the survey

The customers who received the survey

All the customers of the furniture retailer

The management of the furniture retailer

Which sampling scheme was used in the retailer's study?

Simple random sampling

Convenience sampling

Cluster sampling

Stratified sampling

Systematic sampling