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Early communications networks, such as the telephone system, used a technology called _____ switching, which essentially established a dedicated, private link between two telephones for the duration of a call.
Nonprobability Sampling
Type of sampling procedure in which one cannot specify the probability that any member of the population will be included in the sample.
Cluster Sampling
A sampling technique where the population is divided into groups, or clusters, and a random sample of these groups is selected for study.
Grocery Store
A retail store that primarily sells food, including fresh produce, meats, dairy, and pantry items, often along with household goods.
Sampling Error
The error that occurs due to the selection of a sample from a population that is not perfectly representative, potentially leading to inaccurate results.
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