The university book shop selects 200 of its more than 8000 customers to participate in a study on service quality in the shop. The book Shop has established a __________ for use in its research.

Sample

A sample is a subset of a larger population selected for research purposes. In this case, the university bookshop selects 200 customers from a total of more than 8000 customers, making it a sample used for studying service quality.

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