To study how satisfied Americans are with the electoral process, a social scientist conducts a mail questionnaire survey. First he obtains a list of all political precincts in the United States (which covers all areas of the United States) and randomly selects a number of precincts from this list. He then obtains a list of registered voters for each selected precinct, and from each list he selects a random sample of voters. Finally, he mails each selected voter a survey in which he asks questions about their satisfaction with the electoral process.
a. What type of sampling design is this?
b. There are two sampling frames. What are they?
c. Carefully evaluate the adequacy of each frame in terms of meeting the objective of the study-to assess Americans' satisfaction with the electoral process?

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The Answer of To study how satisfied Americans are with the electoral process, a social scientist conducts a mail questionnaire survey. First he obtains a list of all political precincts in the United States (which covers all areas of the United States) and randomly selects a number of precincts from this list. He then obtains a list of registered voters for each selected precinct, and from each list he selects a random sample of voters. Finally, he mails each selected voter a survey in which he asks questions about their satisfaction with the electoral process.
a. What type of sampling design is this?
b. There are two sampling frames. What are they?
c. Carefully evaluate the adequacy of each frame in terms of meeting the objective of the study-to assess Americans' satisfaction with the electoral process?

To Study How Satisfied Americans Are with the Electoral Process