Question

A company conducts a study on happiness in the workplace. To gather participants, they survey 25...

A company conducts a study on happiness in the workplace. To gather participants, they survey 25 people from each county in a state. What type of sampling is this?

a. Simple Random Sampling

b. Systematic
c. Cluster
d. Convenience

e. Stratified

Math   Statistics-And-Probability   
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Answer #1

Answer: Option C (Cluster Sampling)

Explanation

In cluster sampling, instead of selecting all the subjects from the entire population right off, the researcher takes several steps in gathering his sample population. First, the researcher selects groups or clusters, and then from each cluster, the researcher selects the individual subjects by either simple random or systematic random sampling. In this case, the research has divided entire population (population of state) into different clusters (each county in a state).

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