Question

Concerned about the sanitation training practices of its employees, a major fast-food restaurant chain randomly selected 40 of its restaurants nationwide. All employees at these 40 restaurants were tested for their knowledge of both the restaurant chain and local health code practices. This is an example of which of the following sampling methods?

a.systematic sampling
b.simple random sampling
c.stratified random sampling
d.cluster sampling

Answer 1

Answer:

The correct answer is (d)

Explanation:

A company has randomly chosen 40 restaurants and then further divided them based on their employees this is an example of cluster sampling. This study is based on heterogeneous grouping and only cluster sampling method requires this type of sampling method. It helps to identify the best possible sample out of the population to better analyse the situation.