Suppose 150 customers of a restaurant are chosen for a sample, but only 30 respond. What is this an example of?
A. Selection bias
B. Nonselection bias
C. Nonresponse bias
D. Response bias

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Answer:

The correct answer is:

Nonresponse bias (C.)

Step-by-step explanation:

Nonresponse bias in sampling is one that arises due to the unwillingness or inability of subjects in a population to participate in a survey.

Answer:

Nonresponse bias (C.)

Step-by-step explanation: