Mr. Rodriguez wants to know to what extent his students have anxiety about the upcoming school music concert. He plans to poll his students and ask them three simple questions about their levels of anxiety regarding performing in the music concert. He places the three questions on a small sheet of paper and makes 15 copies. He stands near the basketball court on the school playground. Any child

who walks near Mr. Rodriguez is asked to complete his three-item survey. Mr. Rodriguez is employing which type of sampling procedure?

a. Stratified sampling
b. Random sampling
c. Convenience sampling
d. Cluster sampling


C

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