Question

A large company wants to admiister a satisfaction survey to its current customers. using their customer database the company radoml selects 60 customers and asks them about their elvel of satifcation with the company. What type of sampling is used?

Answer 1

The sampling used is simple random sampling.

Explanation:

Consider the provided information.

Types:

1. Simple random sample is a subset of the population chosen from a larger set. Every person is selected by chance and randomly.
2. Systematic sampling: list of elements is counted off.
3. Convenience sampling: data which is readily available is used. That is, the first people are running into by the surveyor.
4. Cluster sampling: divide the population into groups, usually geographically.
5. Stratified sampling: divide population into groups called strata. but this time population might be separated into males and females.

Here, randomly selected 60 customers, Thus, the sampling used is simple random sampling.