During an election a pollster conducted an exit poll as follows. He selected 1 voter at random, and then approached every 10th voter as they file out of a particular polling station. If the voter is willing to participate in the survey the pollster asks them, among other things, which party they voted for.

Question 4(1 point)

What is the name of the sampling design/plan used?

Question 4 options:

Systematic Random Sample

Simple Random Sample

Cluster/Multistage Random Sample

Stratified Random Sample

Question 5(1 point)

Define one parameter of interest.

Question 5 options:

Proportion of voters in the sample who voted for a particular party

Which party a voter voted for.

Proportion of all voters who voted for a particular party

To predict which party will win the election.

Question 6(1 point)

Some of the voters who were approached declined to participate in the survey. Under what condition would this not lead to a non-response bias?

Question 6 options:

If those who participated told the truth about which party they voted for.

If those who declined voted differently from those who participated.

If those who participated lied about which party they voted for.

If those who declined voted the same way as those who participated

Question 7(1 point)

What is the Sampling Frame the pollster used?

Question 7 options:

Voters who were approached by the pollster and were willing to participate in the survey

Voters who voted at the particular polling station

Voters who were approached by the pollster.

All voters.