The probability of finding someone home is greater for:
a. high-income families.
b. low-income families.
c. rural families.
d. urban families.
e. Both b and c.
Question 2
Which of the following is FALSE?
a. Nonresponse error is a potential problem in any project for which data are not collected from all respondents selected for the sample.
b. Nonresponse error only occurs when those who respond are systematically different from those who do not respond in some important way.
c. Refusal bias applies to projects using all forms of data collection.
d. The degree of nonresponse error is easy to assess.
e. All of the above statements are true.
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