Some common sources of nonsampling error in samples of human populations are
A) voluntary response samples; can't contact some subjects.
B) can't contact some subjects; some subjects refuse to answer.
C) some subjects refuse to answer; using telephone directory as the sample frame.
D) Answers A, B, and C are correct.
E) None of the above

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The Answer of Some common sources of nonsampling error in samples of human populations are
A) voluntary response samples; can't contact some subjects.
B) can't contact some subjects; some subjects refuse to answer.
C) some subjects refuse to answer; using telephone directory as the sample frame.
D) Answers A, B, and C are correct.
E) None of the above

Some Common Sources of Nonsampling Error in Samples of Human