Question

a cable company wants to determine customer satisfaction. they decide to take a sample from a small group of their customers. use the descriptions to identify the type of sampling method. sampling methods: systematic, convenience, stratified, simple random, cluster, voluntary response. the company sends letters by mail to all its customers and asks them to complete the survey. options: convenience, systematic, simple random, stratified, voluntary response

Explanation:

This sampling method relies on customers choosing to participate on their own after being invited, which matches the definition of voluntary response sampling.

Answer:

Voluntary response