Voting Quiz Review

Which of the following is NOT a voting method used to determine the winner of an election?

• Plurality

• Majority

• Borda Count

• Pairwise Comparison

If 30 people vote in an election, how many votes are needed for majority?

• 15

• 16

• 30

• 14

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What does Arrow's Impossibility Theorem say?

• All voting methods can be fair.

• It is impossible for one method to satisfy all fairness criteria.

• If a candidate has a majority of the votes, they should win.

• If a candidate wins each pairwise comparison, they should win.

Which fairness criteria states: "a candidate with the most 1st place votes should always win the election"

• Majority Criterion

• Condorcet Criterion

• Monotonicity Criterion

• Independence of Irrelevant Alternatives Criterion (IIA)

Which fairness criteria states: "a candidate that beats each of the other candidates in a pairwise comparison should always be the winner"

• Majority Criterion

• Condorcet Criterion

• Monotonicity Criterion

• Independence of Irrelevant Alternatives Criterion (IIA)

Which fairness criteria states: "If candidate X is a winner, than X would still be the winner had a voter ranked X higher in his preference ballot"

• Majority Criterion

• Condorcet Criterion

• Monotonicity Criterion

• Independence of Irrelevant Alternatives Criterion (IIA)

Which fairness criteria states: "If candidate X is the winner, then X would still be the winner had one or more losing candidates not been in the race."

• Majority Criterion

• Condorcet Criterion

• Monotonicity Criterion

• Independence of Irrelevant Alternatives Criterion (IIA)

What is the formula for the number of pairwise comparisons in an election with N candidates?

How many people voted in this election?

• 12

• 4

• 5

• 14

Tags

CCSS.6.NS.B.3

Which candidate wins using the Plurality Method?

• A

• B

• C

• D