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College students at 50 campuses around the country were polled to find out how many students own smartphones. This small representative group of students is called a:

Respuesta :

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Answer:

Sample

Explanation:

Since it is not very practical to poll a whole population, professional surveyors choose a sample of persons from a wide variety in representation for the rest of the individuals of a geographical region. To understand the way these people are selected is helpful to define how well their criteria will match with the rest of the voters.

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