Which of the following is a nonobservation error?
A) A researcher deliberately excludes those under 21 years of age from the survey.
B) In an opinion poll,those incarcerated in a state penitentiary are intentionally excluded from the sample.
C) In an opinion survey,the sample is selected from a mailing list of car registrations.
D) A marketer conducting research for a dog food manufacturer purposely restricts the sample to dog owners.
E) None of the above.
Correct Answer:
Verified
Q2: Which of the following is TRUE?
A) Noncoverage,
Q4: Which of the following is FALSE?
A) It
Q8: Nonsampling errors
A)decrease with increases in sample size.
B)can
Q9: Which of the following is TRUE concerning
Q9: When sampling from lists,three problems are commonly
Q11: Nonsampling errors are
A)random.
B)non-random.
C)tend to bias sample statistics.
D)Both
Q15: One difference between sampling and nonsampling errors
Q15: The difference between the observed values of
Q18: Sampling errors can be decreased by
A) decreasing
Q19: Nonsampling errors occur because of errors in
A)
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