Question

A college surveys local businesses about
the importance of students as customers.
The college chooses 150 businesses at
random from telephone listings. Of these,
68 return the questionnaire. The sample is:
A. The set of all local businesses
B. The 68 businesses who returned surveys
C. The 150 businesses who were sent surveys
D. All the students at the college

Answer 1

Using sampling concepts, it is found that the sample is given by:

C. The 150 businesses who were sent surveys.

What is sampling?

It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.

In this problem, a group of 150 businesses(sample) is taken from the telephone listings(all the businesses in the listings is the population), hence option C is correct.

More can be learned about sampling concepts at https://brainly.com/question/25122507

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Answer 2

b. the 68 businesses who returned surveys