Sample a voluntary response

Reference no: EM1394110

A pollster calls 500 randomly selected people and all 500 respond to her first question. Because the subjects agreed to respond, is the sample a voluntary response sample?

Reference no: EM1394110

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Sample a voluntary response : A pollster calls 500 randomly selected people and all 500 respond to her first question. Because the subjects agreed to respond, is the sample a voluntary response sample?

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