What is a voluntary response​ sample? Choose the correct answer below. A. A sample in which the researchers decide which subjects to include in the study. B. A sample in which the response​ "No Opinion" or​ "Not Applicable" are choices. C. A sample in which the sample size is very large. D. A sample in which the subjects themselves decide whether to be included in the study.

Respuesta :

Answer:

D. A sample in which the subjects themselves decide whether to be included in the study.                                                                                                                                  

Explanation:

Voluntary response​ sample: This is a sample made up of volunteers. These samples are mostly biased. For example, a person being called in a radio show poll might have powerful opinions over a topic in any direction. In a voluntary random sample, chooses themselves by answering a common appeal.  These samples are unreliable because they are bias, hence the result is usually biased.